# SDR SWAA2022021492552

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 4, 2018
- Submitted: February 14, 2022
- Operation: Air carrier
- Aircraft: [N7731A](https://openairdocs.org/aircraft/N7731A), registered now
- Make and model: Boeing 737-76N
- Registry model: [Boeing 737-76N](https://openairdocs.org/model/boeing-737-76n) (OpenAirDocs)
- Aircraft serial: 32677
- Aircraft time: 38,714 hours, 18,449 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Strip
- Condition: Corroded
- Location: Aft Cargo Bay
- 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/SWAA2022021492552

## Discrepancy

***CORROSION*** AFT CARGO BAY; LEFT HAND FLOOR TO SIDEWALL SUPPORT HAS NUMEROUS AREAS OF CORROSION ON UPPER AND LOWER SURFACES; BS727 + 4' TO BS847. / REMOVED; FABRICATED FLOOR TO SIDEWALL SUPPORT FROM BAC 1498-377 #707STE2 LOT# 1332335-3. EXTRUSIONS SPLICED SECTIONS TOGETHER @ B.S 727E+9'. CHRMGAL CONVERSION COATING; PRMED + INSTALLED PER SRM 51-40-02-0G-0; DWG 146A7500; 146A7502; AMM 51-21-41-370-802; AMM 51-21-41-370-804.

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