# SDR ASAA2025100261457

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 2, 2025
- Submitted: October 9, 2025
- Operation: Air carrier
- Aircraft: [N467AS](https://openairdocs.org/aircraft/N467AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36362
- Aircraft time: 41,625 hours, 13,113 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Rail
- Part number: 143A9485Y35
- Condition: Corroded
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2025100261457

## Discrepancy

FWD CARGO AFT BULKHEAD LOWER SUPPORT RAIL IS CORRODED. GROUNDED - YES. REMOVED AND REPLACED CORRODED RAIL SUPPORT WITH NEW RAIL SUPPORT P/N 143A9485Y35 P.O. 1134697.1 IAW B737-900 SRM 51-40-02. SUPPORT RAIL WERE FOUND TO BE 100% MAT. LOSS IAW B737-900 SRM 53-30-30-1A-1.

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