ASN Wikibase Occurrence # 379711
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| Date: | Saturday 14 April 1984 |
| Time: | 18:50 LT |
| Type: |  Boeing 747-121 |
| Owner/operator: | Pan American (paaa) |
| Registration: | N751PA |
| MSN: | 19665/476 |
| Total airframe hrs: | 56042 hours |
| Engine model: | P&W JT9D |
| Fatalities: | Fatalities: 0 / Occupants: 263 |
| Aircraft damage: | Minor |
| Category: | Serious incident |
| Location: | , -
 United States of America
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | |
| New York, NY (KJFK) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
WHILE CLIMBING THROUGH FL200 CREW EXPERIENCED A LOSS OF #4 HYDRAULIC SYSTEM PRESSURE, ILLUMINATION OF THE RED 'GEAR DOOR' AND 'LEFT WING DOOR OPEN' LIGHTS, A MEDIUM FREQ VIBRATION AND HEARD A LOUD RUSHING SOUND. FLT DIVERTED TO MIAMI, FL, WHERE LANDING WAS MADE WITHOUT INCIDENT. INVESTIGATION DISCLOSED LEFT WING LANDING GEAR DOOR ACTUATOR, ACTUATOR BEAM ASS'Y AND ASSOC KEEL BEAM BOX ATTACHING HARDWARE WERE MISSING. BOEING SUBSEQUENTLY HAS ISSUED A SERVICE BULLETIN REGARDING DETECTION OF CRACKS IN THE INTERNAL BACK-UP BRACKETS & FITTINGS FOR THE WING GEAR DOOR ACTUATING SYSTEM.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB MIA84IA140
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 01-Apr-2024 08:41 | ASN Update Bot | Added |
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