# SDR SWAA2022011047299

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 23, 2021
- Submitted: January 10, 2022
- Operation: Air carrier
- Aircraft: N7817J
- Make and model: Boeing 737-7L9
- Registry model: [Boeing 737-7L9](https://openairdocs.org/model/boeing-737-7l9) (OpenAirDocs)
- Aircraft serial: 28013
- Aircraft time: 55,382 hours, 27,558 cycles
- System (JASC): [5347 · Fuselage, Seat/Cargo Attach Fittings](https://openairdocs.org/jasc/5347)
- Part: Seat Track
- Condition: Corroded
- Location: Bs 483-520
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2022011047299

## Discrepancy

CORROSION ON PASSENGER CABIN SEAT TRACK LBL45 WL208.1 BS483; BS492; BS500+6 - BS500+15; BS500A+13 - BS500B+11; BS500C - BS500C+11; BS500D+9 - BS520. ; / [01] BLENDED CORROSION FROM SEAT TRACK AT LBL45.5 WL 208 BS483-492; BS500+6-500+15; BS500A+13-500B+11; BS500C-500C+11; BS500D+9-520 ALL IAW SRM 53-00-52-1A-1 STEP 2 A; [02] VERIFIED REMOVAL OF CORROSION FROM SEAT TRACK AT LBL45.5 WL 208 BS483-492; BS500+6-500+15; BS500A+13-500B+11; BS500C-500C+11; BS500D+9-520 ALL IAW SRM 53-00-52-1A-1 STEP 2 A; 09] CERTIFIED EDIT OF P/N.; [10] EVALUATED CORROSION ON PASSENGER CABIN SEAT TRACK LBL45 WL208.1 BS483; BS492; BS500+6 - BS500+15; BS500A+13 - BS500B+11; BS500C - BS500C+11; BS500D+9 - BS520. LARGEST AREA OF DAMAGE REMOVAL FOUND TO BE 0.025' ON TOP OF TRACK. DAMAGE FOUND TO BE OUT OF LIMITS PER SRM 53-00-52-1A-1.; [11] INSTALLED FOD PROTECTION FOR SEAT TRACK REMOVAL FROM BS480-BS520 LBL25-LBL60 PER 20-60-07-913-801; [12] REMOVED SEAT TRACK FROM BS480-BS520 LBL45 PER SRM 51-40-02-0-0; [13] RECEIVED NEW SEAT TRACK ON CUSTOMER RO NO ATSHFAB-100-303. SEAT TRACK FABRICATED PER BOEING DWG 143A5310; ATSHFAB-100-303 REV C. REFER TO ATS BUILD RECORD 543960. PART MARKED PER ATS QCM 4.35.26.; [14] LOCATED AND DRILLED NEW SEAT TRACK PER SRM 51-40-05; SRM 51-40-08; DWG#143A5300. OK TO INSTALL.;

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