# SDR USAA010508

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 7, 2001
- Submitted: June 4, 2001
- Operation: Air carrier
- Aircraft: N426US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24548
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bulkhead
- Condition: Cracked
- Location: Fuselage
- Part time: 33,533 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA010508

## Discrepancy

CLT - FOUND BS 178 PRESSURE BULKHEAD WEB WITH CRACKS .125 INCH, .5 INCH, .8 INCH, 1 INCH AND 1.1 INCH, BS 178, FROM WL 188 TO WL 212.5, RBL 6.6 TO LBL 5.  DAMAGE REMOVED, FILLERS AND REPAIR DOUBLER INSTALLED PER SRM 53-10-01, 53-10-08 AND EO 5300V153.  (M)

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