# SDR 2007UALA04526

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 1, 2007
- Submitted: November 6, 2007
- Operation: Air carrier
- Aircraft: N374UA
- Make and model: Boeing 737322
- Aircraft serial: 24639
- Aircraft time: 50,721 hours, 35,000 cycles
- Engine: Ge CFM56*
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Condition: Cracked
- Location: Lt Wing
- 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/2007UALA04526

## Discrepancy

LT WING NR 1 FUEL TANK INTERIOR RIB AT STA 135.5 LOWER CHORD AT FORWARD UPPER EDGE OF L-2 STRINGER CUT-OUT CRACKED.  REPAIRED PER EA NR I070802.  REMOVED AND REPLACED RIB AT STA 135.5 STRINGER L2.  REF SB 737-57-1186 ON N-R 12553-5000-0015.

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