ASN Wikibase Occurrence # 357214
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| Date: | Monday 17 June 1996 |
| Time: | 21:30 LT |
| Type: |  Boeing 747-136 |
| Owner/operator: | Tower Air |
| Registration: | N606FF |
| MSN: | 20273/184 |
| Year of manufacture: | 1972 |
| Total airframe hrs: | 24556 hours |
| Engine model: | P&W JT9D-AH |
| Fatalities: | Fatalities: 0 / Occupants: 414 |
| Aircraft damage: | Minor |
| Category: | Serious incident |
| Location: | New York-John F. Kennedy International Airport, NY (JFK) -
 United States of America
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | Los Angeles, CA (KLAX) |
| (KJFK) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilots stated that at flight level 350, just before their descent to JFK, the No. 2 engine generator warning light and CSD low oil pressure light illuminated. Attempts to disconnect the CSD were unsuccessful, and the No. 2 engine was shut down. Following the shutdown, the No. 2 engine fire warning sounded, and the flightcrew discharged both No. 2 engine fire bottles; however, the fire continued. After declaring an emergency and landing at JFK, firefighters noted that the gearbox was glowing red, and they used extinguishing agent. Examination of the engine and accessory gearbox components revealed that the CSD failed to disconnect, because it had not been overhauled in accordance with the manufacturers overhaul manual.
Probable Cause: failure of the constant speed drive (CSD) to disconnect from the generator. Contributing to the cause was the failure of the FAA approved overhaul facility to follow the manufacturer's overhaul manual.
Accident investigation:
 |
|
Sources:
NTSB IAD96IA098
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 13-Mar-2024 15:28 | ASN Update Bot | Added |
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