# SDR SWAA2021091310981

- 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
- Part number: 144A53503
- Condition: Corroded
- Location: Bs 685
- 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/SWAA2021091310981

## Discrepancy

CORROSION SEAT TRACK WELL BS 685 +9 TO BS 685 +14 LBL 46 WL 208 ; / [01] REMOVED CORROSION ON BOTTOM OF SEAT TRACK AT BS685+9 TO BS 685+14 LBL46 WL208; CORROSION MEASURES REMOVED 5'X.7'X.046' FOUND OUT LIMITS IAW SRM 53-00-52-1A-1 STEP 4.A(2); CALIBRATED TOOL ID:ATS1737; S/N:NSN; DUE:07/2022; [02] VERIFIED REMOVED CORROSION ON BOTTOM OF SEAT TRACK AT BS685+9 TO BS 685+14 LBL46 WL208; CORROSION MEASURES REMOVED 5'X.7'X.046' FOUND OUT LIMITS IAW SRM 53-00-52-1A-1 STEP 4.A(2); CALIBRATED TOOL ID:ATS1737; S/N:NSN; DUE:07/2022; [03] REMOVED SEAT TRACK WELL BS 540 TO 727B IAW SRM 51-40-02-OG-0; [04] CERTIFY REMOVAL; [05] SEAT TRACK FABRICATED IAW DWG 144A5350; REFER TO ATS BUILD RECORD 526789. PART MARKED PER ATS QCM 4.35.26.; [06] LOCATED AND DRILLED SEAT TRACK AT LBL 45.5; BS 540-727B; WL208 PER DWG 144A5300. OK TO INSTALL.; [07] INSPECTED SEAT TRACK LOCATED AND DRILLED. OKAY TO INSTALL PER DWG 144A5300; [08] INSTALLED SEAT TRACK AT LBL 45.5; BS 540-727B; WL 208 PER DWG 144A5300. ALL FASTENERS STILL REQUIRE TORQUE.; [09] TORQUED FASTENERS IAW AMM 20-50-11-901-801.<BR>ID: ATS2328 S/N: 0219095273.; [10] VERIFIED INSTALLED SEAT TRACK AT LBL 45.5; BS 540-727B; WL 208 PER DWG 144A5300; TORQUED FASTENERS IAW AMM 20-50-11-901-801. <BR>CALIBRATED TOOL ID: ATS2328 S/N: 0219095273.

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