# SDR SWAA2022032066075

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 31, 2022
- Submitted: March 21, 2022
- Operation: Air carrier
- Aircraft: [N216WR](https://openairdocs.org/aircraft/N216WR), registered now
- Make and model: Boeing 737*
- Aircraft serial: 32488
- Aircraft time: 52,760 hours, 31,347 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Seat Track
- Condition: Corroded
- Location: Fuselage
- Stage of operation: UK
- 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/SWAA2022032066075

## Discrepancy

SEAT TRACK CORROSION AND MECHANICAL DAMAGE IN WELL AND CROWN; LBL25; BS540-552; BS569-582; BS590-614; BS634-646; BS663-675; BS690-709; BS727-727+11; / [01] VERIFY APPLICABILITY FOR SRM 53-00-52-1A-1.<BR>REMOVED MECHANICAL DAMAGE AND CORROSION FROM SEAT TRACK WELL AND CROWN AREAS AT LBL25; BS537 TO BS727B; (BS 559+9 TO 559+12 L:3' W:.50' D:.024' IN CROWN)<BR>FOUND TO BE OUT OF LIMITS PER SRM 53-00-52-1A-1. USED TOOL ID: ATS2472 S/N UNKNOW DUE DATE: 12/2022 AND ID: ATS1738 S/N UNKNOW DUE DATE: 09/2022. <BR><BR>BS 540 TO 540+12 L:12' W: .90' D:.011' ON WELL. <BR>BS 559+9 TO 559+12 L:3' W: .50' D:.024' ON CROWN.<BR>BS 559+11 TO 578+4 L:11' W: .90' D:.010' ON WELL.<BR>BS 597+6 TO 597+18 L:13' W: .90' D:.011' IN WELL.<BR>BS 616+17 TO 639+8 L:14' W: .90' D:.010' IN WELL.<BR>BS 663 TO 663+15 L:15' W:.90' D:.015' IN WELL.<BR>BS 685+7 TO 706+3 L:17' W: .90' D:.024' IN WELL.<BR>BS 727 TO 727+12 L:12' W: .90' D:.019' IN WELL.<BR>BS 727A+10 TO 727A+17 L: 17' W:.90' D:.018' IN WELL.;3] REMOVED SEAT TRACK AT LBL25 FROM BS 540 TO BS 727B PER SRM 51-40-02.;[04] RECEIVED NEW SEAT TRACK FABRICATED IAW BOEING DRAWING 144A5350. REFER TO ATS BUILD RECORD 533670.<BR>PART MARKED PER ATS QCM 4.35.26.;

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