# SDR SWAA2022032065932

- 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/SWAA2022032065932

## Discrepancy

SEAT TRACK HAS CORROSION AND MECHANICAL DAMAGE IN WELL AND CROWN; RBL25; BS518-520; BS500C+7 TO 500D; BS500B-1 TO 500B+10; BS500+6 TO +18; BS476-485 / [01] REMOVED CORROSION AND MECHANICAL DAMAGE FROM WELL AND CROWN OF SEAT TRACK; RBL25; BS476 - BS520 IAW SRM 53-00-52-1A-1; FOUND TO BE OUT OF LIMITS; ID TOOL: ATS1225; S/N UNKNOWN; D/D: 07/2022; ID TOOL: E9655; S/N: UNKNOWN; D/D: 03/2022.<BR>MEASUREMENTS ON CROWN:<BR>BS480+7; L=1.0 X W=.400' X D=.007'<BR>BS500+7; L=1.0' X W=.400' X D=.025'<BR>BS500C+9; L=1.0' X W=.400' X D=.015'<BR>BS520; L=1.0' X W=.400' X D=.015'<BR>MEASUREMENTS ON WELL<BR>BS476 - BS485; L=9 X W=.700' X D=.009'<BR>BS500+6 - BS500+18; L=12.0' X W=.700' X D=.020'<BR>BS500B+1 - BS500B+10; L=9 X W=.700' X D=.014'<BR>BS500C+7 - BS500D; L=13.0' X W=.700' X D=.008'.;[02] VERIFIED APPLICABILITY FOR SRM 53-00-52-1A-1.[18] REMOVE AND REPLACE OF SEAT TRACK BS 480-BS 520 RBL 25 IS COMPLETE. IAW SRM 51-40-02-0G-);DRW143A5300 AND DRW 143A5400.;[19] VERIFIED COMPLETE;[20] REMOVE AND REPLACED OF SEAT TRACK BS 480-BS 520 RBL 25 IS COMPLETE. IAW SRM 51-40-02-0G-0;DWG 143A5300 AND DWG 143A5400. STEP 6 REMOVAL OF FOD PROTECTION WILL BE REMOVED ON TTG8Q00AN50E;[21] REMOVE AND REPLACED OF SEAT TRACK BS 480-BS 520 RBL 25 IS COMPLETE. IAW SRM 51-40-02-0G-0;DWG 143A5300 AND DWG 143A5400. STEP 6 REMOVAL OF FOD PROTECTION WILL BE REMOVED ON TTG8Q00AN50E;[22] UPDATED #15;[23] CERTIFY

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