# SDR SWAA2021092721931

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2021
- Submitted: September 27, 2021
- Operation: Air carrier
- Aircraft: N7720F
- Make and model: Boeing 737-7BD
- Registry model: [Boeing 737-7BD](https://openairdocs.org/model/boeing-737-7bd) (OpenAirDocs)
- Aircraft serial: 33922
- Aircraft time: 51,620 hours, 26,930 cycles
- System (JASC): [5347 · Fuselage, Seat/Cargo Attach Fittings](https://openairdocs.org/jasc/5347)
- Part: Seat Track
- Condition: Corroded
- Location: Fuselage
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021092721931

## Discrepancy

CABIN SEAT TRACK FROM ST 578 TO ST 582 LBL 25 HAS EVIDENCE CORROSION.   REMOVED EXISTING CORROSION AT MAIN CABIN STA 578 -582 LBL 25 IAW SRM 51-10-02-0G-0. EVALUATED AREA: MAT. REMOVED .012' MAXIMUM CLEANUP DEPTH AT BOTTOM TRACK .04' FOUND WITHIN LIMITS IAW SRM 53-00-52-1A-1 FIG. 103 A-A.

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