# SDR SWAA2022031584079

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 22, 2019
- Submitted: March 16, 2022
- Operation: Air carrier
- Aircraft: N754SW
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29849
- Aircraft time: 70,150 hours, 41,334 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bulkhead
- Condition: Corroded
- Location: Aft Fuselage
- 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/SWAA2022031584079

## Discrepancy

***CORROSION*** IN MULTIPLE AREAS ON APU INLET PLENUM FLANGE ON BULKHEAD FWD FACE STA 1088 (MARKED) RBL 21-32; WL 231-246 / REPAIRED APU INLET PLENUM FLANGE ON BULKHEAD FWD FLANGE IAW EA 1-753-35570 REV IR AND ATS ER 19-04587 REV IR

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