What was found
DURING M-CHECK AND PRIOR TO SERVICE, FOUND CRACKS EXTENDING FROM FASTENER HOLE ON NR 1 PYLON REAR ENGINE MOUNT BULKHEAD FORWARD FRAME RIGHT TOP, NAC STA 222. REPAIRED PER EA 66-120374.
- Difficulty date
- March 7, 1997
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N642NW
- Make and model
- Boeing 747212B
- Aircraft serial
- 21942
- System (JASC)
- 5411 · Nacelle/Pylon, Frame/Spar/Rib
- Part
- Bulkhead Frame
- Condition
- Cracked
- Location
- Nr 1 Pylon
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.