# SDR SWAA2022060902044

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 2, 2022
- Submitted: June 9, 2022
- Operation: Air carrier
- Aircraft: [N477WN](https://openairdocs.org/aircraft/N477WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33988
- Aircraft time: 60,414 hours, 35,826 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Tie Down
- Condition: Corroded
- Location: Aft Cargo
- 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/SWAA2022060902044

## Discrepancy

CORROSION ON AFT CARGO BAY TIE DOWN AT LBL 17 BS 727A; BS 727D; BS 787+3. / [01] ENTERED MEASUREMENTS;[02] TIE DOWN TRACK FOUND TO BE CRACKED AND OUT OF ALLOWABLE DAMAGE LIMITS. <BR>TO BE REPLACED ON CUSTOMER CARD TTG8Q00C88WR;[03] CORROSION DAMAGE ON TRACK TIE DOWN FOUND IN STUD HOLES.<BR>BS727A> 0.09'L X 0.03'W X 0.005'D<BR>BS727D> 0.07'L X 0.05'W X 0.006'D<BR>BS787+3> 0.10'L X 0.04'W X 0.004'D;[04] DIAL DEPTH GAGE<BR>ATS1225; SN UNKNOWN; CAL DUE 07/2022;[05] VERIFIED CORRECTIVE ACTION 1-4 AND MEASUREMENT FIELDS;[06] EDIT TO ITEM 1; ORDER #22

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