What was found
DURING H-CHECK FOUND CRACK IN NR 2 PYLON ENGINE MOUNT BULKHEAD FRAME WEB. REPAIRED PER EA 66-165162.
- Difficulty date
- July 20, 2004
- Submitted
- August 11, 2004
- Operation
- Air carrier
- Aircraft
- N638US
- Make and model
- Boeing 747251B
- Aircraft serial
- 23549
- Aircraft time
- 71,671 hours, 9,436 cycles
- System (JASC)
- 5412 · Nacelle/Pylon, Bulkhead/Firewall
- Part
- Bulkhead
- Condition
- Cracked
- Location
- Nr 2 Pylon
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.