# SDR SWAA2023041415024

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 10, 2023
- Submitted: April 14, 2023
- Operation: Air carrier
- Aircraft: [N220WN](https://openairdocs.org/aircraft/N220WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32491
- Aircraft time: 58,003 hours, 34,631 cycles
- System (JASC): [5322 · Fuselage Internal Mounting Structure](https://openairdocs.org/jasc/5322)
- Part: Seat Track
- Condition: Corroded
- Location: Zn 200 Fus Top
- 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/SWAA2023041415024

## Discrepancy

CABIN SEAT TRACK AT STA 380 LBL 44.50 SPOT OF CORROSION. CORRECTION FAULT. CABIN SEAT TRACK AT STA 380 LBL 45.5 SPOT OF CORROSION.<[01] REMOVED CORROSION AT CABIN SEAT TRACK AT STA 380; LBL 45.5 AS PER SRM 51-10-02-0G-0;[02] VERIFIED STEP 1.;[03] EVALUATED REWORKED AREA. MATERIAL LOST 0.010'; MAXIMUN MATERIAL LOST ALLOWED 0.040'. FOUND WITHIN LIMTIS AS PER SRM 53-00-52-1A-1.<BR>TOOL USED B/C 173737 CAL. DUE 5-11-2023;[04] VERIFIED STEP 3.;[05] TREATED AND PRIMED REWORKED AREA AS PER REFERENCE AMM 51-21-41-370-803 AND SOPM 20-41-04.;[06] VERIFIED AND INSPECTED STEP #5.

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