# SDR SWAA2021071280241

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 3, 2021
- Submitted: July 12, 2021
- Operation: Air carrier
- Aircraft: [N7823A](https://openairdocs.org/aircraft/N7823A), registered now
- Make and model: Boeing 737-7CT
- Registry model: [Boeing 737-7CT](https://openairdocs.org/model/boeing-737-7ct) (OpenAirDocs)
- Aircraft serial: 32749
- Aircraft time: 61,112 hours, 30,940 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Condition: Corroded
- Location: Cargo Threshold
- 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/SWAA2021071280241

## Discrepancy

CORROSION IN FWD CARGO COMPARTMENT ON SUB THRESHOLD WEB AT BS 467 RBL 28 WL 156 ; / [01] EVALUATED CORROSION BS 467 FOUND 0.020 REMOVED FROM ORIG 0.045 FOUND TO BE OUT OF LIMITS PER SRM 53-30-15-1A-1 USING DEPTH GAUGE P/N ATS400 S/N UNKNOWN. SUBTHRESHOLD WEB TO BE REPLACED ON CUST CARD#TTG8Q005B9AH; [02] VERIFIED CORROSION BS 467 FOUND 0.020 REMOVED FROM ORIG 0.045 FOUND TO BE OUT OF LIMITS PER SRM 53-30-15-1A-1 USING DEPTH GAUGE P/N ATS400 S/N UNKNOWN. SUBTHRESHOLD WEB TO BE REPLACED ON CUST CARD#TTG8Q005B9AH

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