What was found
B.S. 663 LOWER COMPOSITE BULKHEAD IS CRACKED AT R.B.L. 52, W.L. 164. REMOVED AND REPLACED BS663 LOWER COMPOSITE BULKHEAD P/N 111A1157-4 REF TO ATS BUILD SHEET 154727 IAW SRM 51-40-02, DWG 111A1000 AND DWG 111A1001 89004U 19MAR20
- Difficulty date
- March 5, 2020
- Submitted
- March 24, 2020
- Operation
- Air carrier
- Aircraft
- N427WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 29831
- Aircraft time
- 61,697 hours, 36,249 cycles
- System (JASC)
- 5312 · Fuselage Main, Bulkhead
- Part
- Bulkhead
- Part number
- 111A11574
- Condition
- Cracked
- Location
- Rt Mlg Ww
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.