# SDR SWAA2021091310999

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 24, 2021
- Submitted: September 13, 2021
- Operation: Air carrier
- Aircraft: [N966WN](https://openairdocs.org/aircraft/N966WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36966
- Aircraft time: 32,714 hours, 19,999 cycles
- System (JASC): [5347 · Fuselage, Seat/Cargo Attach Fittings](https://openairdocs.org/jasc/5347)
- Part: Seat Track
- Condition: Corroded
- Location: Bs 616
- 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/SWAA2021091310999

## Discrepancy

CORROSION SEAT TRACK WELL BS 616 +16 LBL 45 WL 208 ; / [01] REMOVED CORROSION ON LOWER SURFACE OF SEAT TRACK AT B.S 616 + 16' LBL45 WL208 IAW SRM 51-10-02-OG-0. BLEND AREA IN LOWER WELL WAS 1'X0.7'X.015' . IN LIMITS IAW SRM 53-00-52-1A-1 FIG 103. DEPTH MEASURED BY DIAL DEPTH GAUGE ; ATS 1737; S/N: NSN; DUE 07/2022;; [02] VERIFIED REMOVED CORROSION ON LOWER SURFACE OF SEAT TRACK AT B.S 616 + 16' LBL45 WL208 IAW SRM 51-10-02-OG-0. BLEND AREA IN LOWER WELL WAS 1'X0.7'X.015' . IN LIMITS IAW SRM 53-00-52-1A-1 FIG 103. DEPTH MEASURED BY DIAL DEPTH GAUGE ; ATS 1737; S/N: NSN; DUE 07/2022; [03] ADDITIONAL DAMAGE AREA ON CUST SYSTEM ID:TTG8Q0069GY2 FOUND OUT OF LIMITS AND WILL BE REPLACED FROM BS 540 TO 727B; LBL46; WL208; [04] CERTIFY; [05] VERIFIED ADDITIONAL DAMAGE AREA ON CUST SYSTEM ID:TTG8Q0069GY2 FOUND OUT OF LIMITS AND WILL BE REPLACED FROM BS 540 TO 727B; LBL46; WL208

---
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.