- Difficulty date
- April 27, 2021
- Submitted
- June 23, 2021
- Operation
- Air carrier
- Make and model
- Boeing 7377H4
- Aircraft serial
- 36645
- Aircraft time
- 39,916 hours, 24,221 cycles
- Part
- Stiffener
- Condition
- Cracked
- Location
- Bs 663
- 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.
What was found
B.S. 663 LOWER COMPOSITE BULKHEAD VERTICAL 'L' ANGLE STIFFENER IS CRACKED AT L.B.L. 26; W.L. 150; ON AFT SIDE OF B.S. 663 BULKHEAD. / REMOVED AND REPLACED B.S. 663 LOWER COMPOSITE BULKHEAD VERTICAL 'L' ANGLE STIFFINER AT L.B.L 26; W.L. 150; ON AFT SIDE OF B.S. 663 BULHEAD IAW DWG 14 149A7210; DWG 111A1000 REV. A; SRM 51-40-02-0G-0; SRM 51-40-05-0G-0 AND SRM 51-31-00-390-805