Individually Owned: 150,657
Corporate Owned: 137,281
Ft Lauderdale Int'l Airport
Aircraft Accident/Incident Report
Fort Lauderdale, Florida
Saturday, December 28, 1985 13:33 EST
NTSB Narrative Summary Released at Completion of Accident
AFTER GEAR RETRACTION DRG TAKEOFF, AT APRX 150' AGL, THE AIRCREW HEARD A LOUD NOISE & NOTED THE #2 ENG HAD FAILED. THEY SECURED THE ENG, DUMPED FUEL & LANDED WITHOUT FURTHER INCIDENT. AN EXAM OF THE #2 ENG REVEALED THE COMBUSTION CHAMBER OUTER CASE, PN 616315, HAD FAILED FROM HI STRESS, LOW-CYCLE FATIGUE. THE FAILURE ORIGINATED AT A 4.6 INCH CRACK AT THE REAR DRAIN BOSS TO CASE WELD. AT THE LAST SHOP INSPN, A SUSPECTED CRACK WAS VISUALLY OBSVD IN THIS AREA. THE CASE WAS PREPARED FOR NON-DESTRUCTIVE TESTING BY GRIT BLASTING IT WITH ALUMINUM OXIDE BEADS TO STRIP OFF NICKEL-CADMIUM PLATING. HOWEVER, THE TESTING DID NOT REVEAL A CRACK. THEREFORE, THE CASE WAS RECOATED WITH NICKEL-CADMIUM & RETURNED TO SVC. AFTER THE FAILURE, AN EXAM OF THE FRACTURE AREA REVEALED THE PRESENCE OF NICKEL & CADMIUM (0.5 TO 0.75 INCH, CENTERED ON THE FRACTURE ORIGIN AREA). THERE WAS EVIDENCE THAT GRIT BLASTING (PRIOR TO NON-DESTRUCTIVE TESTING) HAD MECHANICALLY CLOSED THE PREV CRACK, THUS PREVENTING DETECTION. THE OPERATOR REVISED THE SHOP PROCEDURE TO A SHELL BLASTING METHOD.
NTSB Probable Cause Narrative
Not Yet Reported
Event Information
| Type of Event | Incident |
| Event Date | 12/28/1985 |
| Event Day of the Week | Saturday |
| Time of Event | 1333 |
| Event Time Zone | Eastern Standard Time |
| Event City | FORT LAUDERDALE |
| Event State | FLORIDA |
| Event Country | -- |
| Zipcode of the event site | |
| Event Date Year | 1985 |
| Event Date Month | 12 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | |
| Event Location Longitude | |
| Event Location Airport | FT LAUDERDALE INT'L |
| Event Location Nearest Airport ID | FLL |
| Indicates whether the acc/inc occurred off or on an airport | On Airport |
| Distance from airport in statute miles | 0 |
| Degrees magnetic from airport | 0 |
| Airport Elevation | -- |
| Weather Briefing Completeness | Full |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 1249 Eastern Standard Time |
| Direction of event from weather observation facility (degrees) | 0 |
| Weather Observation Facility ID | FLL |
| Elevation of weather observation facility | 11 |
| Distance of event from weather observation facility (units?) | 0 |
| Time Zone of the weather observation | EST |
| Lighting Conditions | Day |
| Lowest Ceiling Height | 8000 |
| Lowest Non-Ceiling Height | 1800 |
| Sky/Lowest/Cloud Conditions | Scattered |
| Sky Condition for Lowest Ceiling | Broken |
| Visibility Runway Visual Range (Feet) | 0 |
| Visibility Runway Visual Value (Statute Miles) | 0 |
| Visibility (Statute Miles) | 5 |
| Air Temperature at event time (in degrees celsius) | 24 |
| Dew Point at event time (in degress fahrenheit) | 18 |
| Wind Direction (degrees magnetic) | 130 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 9 |
| Wind Velocity Indicator | Unknown |
| Wind Gust Indicator | Not Gusting |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | 30 |
| Density Altitude (feet) | 800 |
| Intensity of Precipitation | Light |
| METAR weather report | -- |
| Event Highest Injury | None |
| On Ground, Fatal Injuries | 0 |
| On Ground, Minor Injuries | 0 |
| On Ground, Serious Injuries | 0 |
| Injury Total Fatal | -- |
| Injury Total Minor | -- |
| Injury Total None | 131 |
| Injury Total Serious | -- |
| Injury Total All | -- |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 5091 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Dec 28 1985 12:00AM |
| NTSB Notification Time | 1450 |
| Fiche Number and/or location -used to find docket information | 30677 |
| Date of most recent change to record | Jan 2 2001 9:15AM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N519DA |
| NTSB Number | MIA86MA048 |
| Missing Aircraft Indicator | N |
| Federal Aviation Reg. Part | Part 121: Air Carrier |
| Type of Flight Plan filed | IFR |
| Flight plan Was Activated? | -- |
| Damage | Minor |
| Aircraft Fire | None |
| Aircraft Explosion | In-flight |
| Aircraft Manufacturer's Full Name | BOEING |
| Aircraft Model | 727-232 |
| Aircraft Series Identifier | 727-232 |
| Aircraft Serial Number | 21470 |
| Certified Max Gross Weight | 184200 |
| Aircraft Category | Airplane |
| Aircraft Registration Class | U.S. Registered/U.S. Soil |
| Aircraft is a homebuilt? | No |
| Flight Crew Seats | -- |
| Cabin Crew Seats | -- |
| Passenger Seats | -- |
| Total number of seats on the aircraft | 157 |
| Number of Engines | 3 |
| Fixed gear or retractable gear | Retractable |
| Aircraft, Type of Last Inspection | AAIP |
| Date of Last Inspection | Dec 18 1985 12:00AM |
| Airframe hours since last inspection | 80 |
| Airframe Hours | 22083 |
| ELT Installed | Yes |
| ELT Activated | No |
| ELT Aided Location of Event Site | No |
| ELT Type | -- |
| Aircraft Owner Name | DELTA AIR LINES, INC. |
| Aircraft Owner Street Address | HARTSFIELD ATLANTA INT. AIRPOR |
| Aircraft Owner City | ATLANTA |
| Aircraft Owner State | GA |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 30120 |
| Operator is an individual? | -- |
| Operator Name | |
| Operator Same as Owner? | Yes |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | Yes |
| Operator Street Address | |
| Operator City | |
| Operator State | |
| Operator Country | |
| Operator Zip code | |
| Operator Code | DALA |
| Owner has at least one certificate | Yes - certificate holder |
| Other Operator of large aircraft? | No |
| Certified for Part 133 or 137 Operation | Unknown |
| Operator Certificate Number | -- |
| Indicates whether an air carrier operation was scheduled or not | Scheduled |
| Indicates Domestic or International Flight | Domestic |
| Operator carrying Pax/Cargo/Mail | Passenger/Cargo |
| Type of Flying (Per_Bus / Primary) | Unknown |
| Second Pilot on Board | Yes |
| Departure Point Same as Event | Yes |
| Departure Airport Code | |
| Departure City | |
| Departure State | |
| Departure Country | |
| Departure Time | 1333 |
| Departure Time Zone | EST |
| Destination Same as Local Flt | -- |
| Destination Airport Code | DTW |
| Destination City | DETROIT |
| Destination State | MI |
| Destination Country | |
| Specific Phase of Flight | Takeoff |
| Report sent to ICAO? | -- |
| Evacuation occurred | -- |
| Date of most recent change to record | Jan 2 2001 10:30AM |
| User who most recently changed record | dbo |
| Since inspection or accident | -- |
| Event Location Runway Number and Location | 9L |
| Runway Length | 8018 |
| Runway Width | 150 |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |