# SDR SWAA2021061771471

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 11, 2021
- Submitted: June 17, 2021
- Operation: Air carrier
- Aircraft: N732SW
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27864
- Aircraft time: 74,727 hours, 43,976 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Condition: Corroded
- Location: Bs 947
- 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/SWAA2021061771471

## Discrepancy

CORROSION ON FRAME AT AFT CARGO BAY BS947 LBL9 WL178. ; / EVALUATED CORROSION ON FRAME BS 947 LBL 9 WL 178. REMOVED 0.020 FROM ORIG 0.063 IN A 1'X2' AREA FOUND TO BE OUT OF LIMITS PER SRM 53-00-07-1A-1 USED MICROMETER ID 4566A S/N UNKNOWN. FRAME TO BE REPLACED ON CUST CARD# TTG8Q0050GKX; VERIFIED CORROSION ON FRAME BS 947 LBL 9 WL 178. REMOVED 0.020 FROM ORIG 0.063 IN A 1'X2' AREA FOUND TO BE OUT OF LIMITS PER SRM 53-00-07-1A-1 USED MICROMETER ID 4566A S/N UNKNOWN. FRAME TO BE REPLACED ON CUST CARD# TTG8Q0050GKX

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