What was found
INSPECTION FOUND A 2 INCH CRACK AT UPPER POSITION OF NR 4 PYLON AFT BULKHEAD INBOARD CHORD. THE CHORD AND AFT BULKHEAD ASSEMBLY WERE REPLACED IAW SRM 57-10-01 AND SB 747-54A2159.
- Difficulty date
- October 26, 1996
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N17025
- Make and model
- Boeing 747238B
- Aircraft serial
- 20535
- System (JASC)
- 5412 · Nacelle/Pylon, Bulkhead/Firewall
- Part
- Bulkhead
- Condition
- Cracked
- Location
- Nr 4 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.