# SDR SWAA2023051725030

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 2023
- Submitted: May 17, 2023
- Operation: Air carrier
- Aircraft: [N958WN](https://openairdocs.org/aircraft/N958WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36673
- Aircraft time: 38,993 hours, 23,664 cycles
- System (JASC): [5347 · Fuselage, Seat/Cargo Attach Fittings](https://openairdocs.org/jasc/5347)
- Part: Tie Down
- Condition: Corroded
- Location: Zn 100 Fus Lower
- 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/SWAA2023051725030

## Discrepancy

AFT CARGO BAY - TRACK-TIE DOWN HAS A CORROSION BS 867 RBL 13.5<[01] REMOVED CORROSION AT ACB TRACK-TIE DOWN RBL 13.75; BS 867 IN L=2' X W=1' X D=0.030'' FROM ORIGINAL TICKNESS OF 0.080' FOUND TO BE OUT OF LIMITS IAW SRM 51-10-02 AND SRM 53-00-53-1A-2.<BR>USED TOOL:<BR>ID:NCX000697<BR>S/N:UNKNOWN<BR>DATE:09/2022<BR>DUE:09/2023;[02] CORROSION ON TRACK TIE DOWN IT'S OUT LIMITS WILL BE REPAIRED ON JOB CARD: TTG8Q00KBVA2.;[03] VERIFIED CORRECTION ITEM 1 AND 2 AND MEASUREMENT TABLE; CARD COMPLETE.;[04] VERIFIED CORRECTION ITEM 1;2 ;3 AND MEASUREMENT TABLE; CARD COMPLETE

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.