What was found
STIFFENER CRACKED, LT W/W FWD VAPOR BARRIER BS 663.75 OTBD OF LT AIR CONDITIONING AIR EXIT EXHAUST. REMOVED THE STIFFENER IAW SRM 51-40-02-0G-0. INSTALLED A NEW STIFFENER IAW SRM 51-40-02-0G-0 AND DWG 111A1000.
- Difficulty date
- January 9, 2022
- Submitted
- February 3, 2022
- Operation
- Air carrier
- Aircraft
- N7845A
- Make and model
- Boeing 73771B
- Aircraft serial
- 29366
- Aircraft time
- 44,940 hours, 29,285 cycles
- System (JASC)
- 5710 · Wing Main, Frame Structure
- Part
- Stiffener
- Condition
- Cracked
- Location
- L/H Mlg W/W
- Stage of operation
- UK
- 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.