# SDR SWAA030937

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2003
- Submitted: April 30, 2003
- Operation: Air carrier
- Aircraft: N396SW
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 27690
- Aircraft time: 29,332 hours, 25,517 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bulkhead
- Part number: 6545413201
- Condition: Cracked
- Location: Ac Bay
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA030937

## Discrepancy

DURING SCHEDULED C1 CHECK, FOUND SECONDARY HEAT EXCHANGER OUTBOARD SUPPORT BULKHEAD WEB CRACKED, BS 585 & LBL 40.875.  REPAIRED BULKHEAD WEB PER SWA EA.

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