What was found
LT WING TRAILING EDGE WBL 445.94 RIB 65B08150-99 HAS A CRACK IN THE VERTICAL FLANGE BETWEEN 2 FASTENERS. DAMAGE CAN BE VIEWED FROM OUTBOARD END OF INBOARD FLAP WELL BELOW 65B07818 MIDFLAP DEFLECTOR RAMP.
- Difficulty date
- August 27, 2003
- Submitted
- September 2, 2003
- Operation
- Air carrier
- Aircraft
- N177UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24384
- Aircraft time
- 55,507 hours, 6,994 cycles
- Engine
- Pwa PW4056
- 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.