# SDR SWAA2024011628824

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 6, 2023
- Submitted: January 16, 2024
- Operation: Air carrier
- Aircraft: [N455WN](https://openairdocs.org/aircraft/N455WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32462
- Aircraft time: 64,648 hours, 38,599 cycles
- System (JASC): [5347 · Fuselage, Seat/Cargo Attach Fittings](https://openairdocs.org/jasc/5347)
- Part: Seat Track
- Part number: UNKNOWN
- 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/SWAA2024011628824

## Discrepancy

CABIN SEAT TRACK HAS CORROSION ON TOP OF CROWN AT BS 787+11; RBL 45; WL 208<[01] COMPLETED STEPS 1-2; UPDATED TABLE.;[02] EDITED TABLE;[03] VERIFIED;[04] UPDATED STEP 5;[05] ACCOMPLISHED PARTIAL MAINTENANCE STEP 4.;[06] UPDATED STEP 7.;[07] UPDATED STEP 3.;[08] VERIFIED STEP 3 IN PARTIAL.;[09] UPDATED STEP 3.;[10] COMPLETED STEP 3.5.;[11] UPDATED ALL STEPS;[12] REMOVED CORROSION ON PASSENGER CABIN SEAT TRACK CROWN ON TOP STA BS 787+11; RBL 45; WL 208 PER SRM 51-10-02-0G-0. MAX MATERIAL REMOVED WAS L= 4' BY W= .5' BY D= .027'. OUT OF LIMITS PER SRM 53-00-52-1A-1. MEASURED BLEND WITH DIAL DEPTH GAUGE ID# ATS1225; DUE 09/2024 AND MAINTENANCE WAS ACCOMPLISHED ON STEPS 1-7;[13] VERIFIED CORRECTIVE ACTION 12;[14] VERIFIED MEASUREMENT TABLE

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