# SDR SWAA2024011628810

- 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/SWAA2024011628810

## Discrepancy

CABIN SEAT TRACK HAS CORROSION IN WELL AND ON TOP OF CROWN AT BS 578+2; BS 639+11; BS 727+14; RBL 45; WL 208<[01] COMPLETED STEP 1; UPDATED TABLE;[02] COMPLETED STEPS 1-7.;[03] PARTIAL STEP 8; OK TO INSTALL NEW PASSENGER CABIN SEAT TRACK STA 540-727B; RBL 45; WL 208;[04] PARTIAL STEP 8 REMOVED PASSENGER CABIN SEAT TRACK FROM STA 540-727B; RBL 45; WL 208; OK TO INSTALL NEW PASSENGER CABIN SEAT TRACK STA 540-727B; RBL 45; WL 208;[05] VERIFIED CORRECTIVE ACTION STEPS 3 AND 4.;[06] RECEIVED REPLACEMENT SEAT TRACK P/N ATSHFAB-100-313 FABRICATED ON IN HOUSE SERVICE REQUEST# 553595 PER DRAWING# ATSHFAB-100-313 REV A. PART IS MARKED AS PER ATS QCM 4.35.26. OK TO INSTALL SEAT TRACK.;[07] PARTAIL STEP 8 REAM NEW SEAT TRACK FASTNER HOLES TO 5/16 IAW AMM 51-40-05-0G-0;[08] ACCOMPLISHED A CONFORMITY INSPECTION ON SEAT TRACK HFAB-100-313; CONFORMS TO BOEING DWG 144A5350-3 REV NEW.;[09] PARTIAL STEP 8 INSTALLED ALL FASTNERS TORUQE REQUIRED;[10] UPDATED STEP 8;[11] REMOVED CORROSION ON PASSENGER CABIN SEAT TRACK CROWN ON TOP STA 578+2; RBL 45; WL 208. PER SRM 51-10-02-0G-0. MAX MATERIAL REMOVED WAS L=5' BY W+ .5' BY D .025' OUT OF LIMITS PER SRM 53-00-52-1A-1. MEASURED DEPTH WITH DIAL DEPTH GAUGE ID# ATS1225; DUE 09/2024 AND MAINTENANCE WAS ACCOMPLISHED ON STEPS 1-8;[12] VERIFIED JOB COMPLETE<BR><BR>VERIFIED MEASUREMENT TABLE

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