- Difficulty date
- December 19, 2024
- Submitted
- January 7, 2025
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36351
- Aircraft time
- 28,590 hours, 9,307 cycles
- Part
- Support
- Part number
- 143A948523
- Condition
- Corroded
- Location
- Zone 100
- 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.
What was found
FWD CARGO PIT, AFT L/H BULKHEAD SUPPORT RAIL CORRODED. GROUNDED - YES. EVALUATED ORIG THICK =.071" REMOVED =.071" REMAINING =.000" 100% MAT. LOSS FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-30-08. REMOVED & REPLACED RAIL P/N 143A9485Y23 P.O. 1109223.1 IAW B737-900ER SRM 51-40-02, SRM 51-40-05 & BAC DWG 143A7902 REV. U.