# SDR SWAA2021083105534

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 9, 2021
- Submitted: August 31, 2021
- Operation: Air carrier
- Aircraft: [N965WN](https://openairdocs.org/aircraft/N965WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36677
- Aircraft time: 32,936 hours, 20,041 cycles
- System (JASC): [5347 · Fuselage, Seat/Cargo Attach Fittings](https://openairdocs.org/jasc/5347)
- Part: Seat Track
- Condition: Corroded
- Location: Bs 827
- 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/SWAA2021083105534

## Discrepancy

CORROSION ON PASSENGER CABIN SEAT TRACK AT B.S. 827+16; L.B.L. 45.5; W.L. 208.1. ; / [01] REMOVED CORROSION FROM TRACK WITH A MAX MATERIAL LOSS OF .017 IN THE BOTTOM OF THE TRACK AND .022 ON THE TOP. MEASURED USING TOOL ID #ATS1225 CAL. DUE 07/2022 FOUND TO BE OUT OF LIMITS IAW SRM CH 53-00-52-1A-1; [02] VERIFIED CORRECTIVE ACTION ITEM 1; [03] REMOVED DAMAGED SEAT TRACK AT BS727B-887 LBL 45 PER SRM 51-40-02.; [04] NEW SEAT TRACK FABRICATED PER BOEING DWG 146A5350 SH 36; REFER TO ATS BUILD RECORD NO. 531818.; [05] PART MARKED NEW TRACK IN ACCORDANCE WITH ATS QCM 4.35.26.; [06] VERIFIED DAMAGED SEAT TRACK REMOVED; NEW SEAT TRACK FABRICATED PER BOEING DWG 146A5350 SH 36; REFER TO ATS BUILD RECORD NO. 531818; AND PART MARKED NEW TRACK IAW ATS QCM 4.35.26.; [07] LOCATED AND DRILLED NEW SEAT TRACK AT BS727B-887; LBL 45.5 PER DWG 146A5300 AND SRM 51-40-05.; [08] REQUEST VERIFY LOCATION AND DRILL; OK TO INSTALL NEW SEAT TRACK.; [09] VERIFIED LOCATED AND DRILLED. OKAY TO INSTALL NEW SEAT TRACK AT BS727B-887; LBL 45.5 PER DWG 146A5300 AND SRM 51-40-05; [10] INSTALLED SEAT TRACK BS 727B-887 LBL 45.5 WL 208.1 PER SRM 51-40-02 AND DWG 146A5300 SH145; SH146; SH147.; [11] VERIFIED INSTALLED SEAT TRACK BS 727B-887 LBL 45.5 WL 208.1 PER SRM 51-40-02 AND DWG 146A5300 SH145; SH146; SH147.

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