# SDR SWAA2021120640143

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 3, 2021
- Submitted: December 6, 2021
- Operation: Air carrier
- Aircraft: [N206WN](https://openairdocs.org/aircraft/N206WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 34011
- Aircraft time: 52,876 hours, 31,083 cycles
- System (JASC): [5347 · Fuselage, Seat/Cargo Attach Fittings](https://openairdocs.org/jasc/5347)
- Part: Seat Track
- Condition: Corroded
- Location: Bs 520-532
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021120640143

## Discrepancy

CORROSION ON PASSENGER CABIN SEAT TRACK WL 208 RBL 25 BS 520-532. ; / [01] REMOVED CORROSION ON SEAT TRACK CROWN BS 532 ; WORK AREA 1.0' X 0.250'X 0.024 ; FOUND OUT OF LIMITS IAW SRM 53-00-52-1A-1; STEP 4A (2); TOOLS USED DEPTH GAGE ID: ATS400; S/N UNKNOWN ; DUE 08/22 ; DEPTH GAGE ID: ATS1737; S/N UNKNOWN ; DUE 07/2022; [02] CERTIFY; [03] REMOVED CORROSION ON SEAT TRACK CROWN BS 520 TO 532. DEEPEST BLENDOUT IS 1.0' X 0.250'X 0.024' ; FOUND OUT OF LIMITS IAW SRM 53-00-52-1A-1; STEP 4A (2); TOOLS USED DEPTH GAGE ID: ATS400; S/N UNKNOWN ; DUE 08/22 ; DEPTH GAGE ID: ATS1737; S/N UNKNOWN ; DUE 07/2022; [04] VERIFIED CORRECTIVE ACTION 1-3.<BR><BR>FOUND TO BE OUT OF LIMITS PER SRM 53-00-52-1A-1; [05] REMOVED AND REPLACED SEAT TRACK AT BS 520-532 RBL 25 WL 208 IAW SRM 51-40-02-0G-O; SRM 51-40-04-0G-0; AND DWG 413A0060.; [06] VERIFIED CORRECTIVE ACTION STEP 5.; [07] TASK COMPLETE

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