What was found
DURING TURBULENCE INSPECTION FOUND LEFT WING LEADING EDGE RIB WEB CRACKED AT ILES 964.55 BETWEEN ENGINE NR 1 AND ENGINE NR 2. REPAIRED PER EA 67-21145.
- Difficulty date
- December 21, 2007
- Submitted
- December 28, 2007
- Operation
- Air carrier
- Aircraft
- N631NW
- Make and model
- Boeing 747251B
- Aircraft serial
- 23111
- Aircraft time
- 87,357 hours, 13,202 cycles
- System (JASC)
- 5712 · Wing, Rib/Bulkhead
- Part
- Rib
- Condition
- Cracked
- Location
- Lt Wing
- 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.