# SDR USAA980585

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 18, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N412US
- Make and model: Boeing 737401
- Aircraft serial: 23881
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bulkhead
- Part number: 6516300512
- Condition: Cracked
- Location: Bs 178
- Part time: 29,856 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA980585

## Discrepancy

CLT - DURING Q-1 CHECK VISUAL INSPECTION, FOUND TWO CRACKS STATION 178 BULKHEAD APPROX 2 INCHES AT RBBL 5.7 WL 200 WEB ASSY.  INSTALLED DOUBLER PER SRM 53-10-08 FIG 209.  (M)

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