# SDR ASAA2024022848403

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 28, 2024
- Submitted: March 14, 2024
- Operation: Air carrier
- Aircraft: [N403AS](https://openairdocs.org/aircraft/N403AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41730
- Aircraft time: 42,009 hours, 13,349 cycles
- System (JASC): [5347 · Fuselage, Seat/Cargo Attach Fittings](https://openairdocs.org/jasc/5347)
- Part: Seat Track
- Part number: BAC15202789
- Condition: Corroded
- Location: Cabin
- 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/ASAA2024022848403

## Discrepancy

L/H MAIN CABIN SEAT TRACKS HAVE WEAR MARKS AND CORROSION THROUGHOUT. GROUNDED - YES. REMOVED DAMAGE AND CORROSION AS REQD. ORIG MAT. THICKNESS IS .230", REMOVED .031" AT DEEPEST POINT WITH 0.199" REMAINING. FOUND WITHIN ALLOWABLE LIMITS IAW B737-900ER SRM 53-00-52. RESTORED FINISH AS REQD IAW B737-900ER SRM 53-00-52.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.