What was found
DURING "M" CHECK, FOUND CRACK IN NR 1 PYLON REAR ENGINE MOUNT BULKHEAD FRAME WEB. REPAIRED PER EA 67-208618.
- Difficulty date
- January 11, 2007
- Submitted
- January 29, 2007
- Operation
- Air carrier
- Aircraft
- N640US
- Make and model
- Boeing 747251F
- Aircraft serial
- 23888
- Aircraft time
- 73,124 hours, 15,801 cycles
- System (JASC)
- 5412 · Nacelle/Pylon, Bulkhead/Firewall
- Part
- Frame
- Condition
- Cracked
- Location
- Nr 1 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.