# SDR SWAA2023041213598

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2023
- Submitted: April 12, 2023
- Operation: Air carrier
- Aircraft: [N956WN](https://openairdocs.org/aircraft/N956WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36672
- Aircraft time: 38,869 hours, 23,696 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/SWAA2023041213598

## Discrepancy

PASSENGER CABIN - SEAT TRACK HAS CORROSION RBL 45.5 BS 400+11; BS 440+2; BS 460+14.<[01] VERIFIED APPLICABILITY PER SRM 53-00-52-1A-1. REMOVED CORROSION FROM SEAT TRACK AT BS460+14 RBL45.5 L:5' W:.90' D:.042' FOUND SEAT TRACK TO BE OUT OF LIMITS PER SRM 53-00-52-1A-1.TOOL ID: ATS2677 S/N: UNKNOWN DUE DATE: 11/2023. ATS1738 S/: UNKNOWN DUE DATE: 10/2023.;[02] CERTIFIED CORRECTIVE ACTION 1;[03] VERIFIED CORRECTIVE ACTION 1 AND MEASUREMENT TABLE.;[04] REMOVED PASSENGER CABIN SEAT TRACK RBL45.5 BS370-480 PER SRM 51-40-02-0G-0.;[05] LOCATED AND DRILLED NEW SEAT TRACK P/N 143A5310-52ATSMRO; LOT# 1521806-1; PO#/ LINE 911111/ 1 PER SRM 51-40-02-0G-0 AND DWG 143A5300 & 141A5300. REQUEST OK TO INSTALL.;[06] INSPECTED AND VERIFIED CORRECTIVE ACTION 5. OKAY TO INSTALL SEAT TRACK.;[07] INSTALLED SEAT TRACK AT BS 380-480 RBL 45.5 WL 208 PER SRM 51-40-02-0G-0 ; DRAWING #143A5300 SHT 43 REV- AND 141A5300 SHT 27 REV-;[08] APPLIED CIC BS 380-480 RBL 25-RBL 60 WL 208 PER MM 51-00-59-201;[09] UPDATED PARTS. JOB COMPLETE;[10] INSPECTED AND VERIFIED CORRECTIVE ACTIONS 7; 8 AND 9. JOB COMPLETE.;[11] JOB COMPLETE.

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