# SDR U2RA201508050001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 5, 2015
- Submitted: August 11, 2015
- Operation: Air carrier
- Aircraft: [N919CA](https://openairdocs.org/aircraft/N919CA), registered now
- Make and model: Boeing 747428
- Aircraft serial: 25302
- Aircraft time: 85,990 hours, 12,400 cycles
- Engine: Ge CF680C2B1F
- System (JASC): [5720 · Wing Miscellaneous Structure](https://openairdocs.org/jasc/5720)
- Part: Stiffener
- Part number: 69B127557
- Condition: Cracked
- Location: Lt Wing
- Part time: 85,990 hours, 12,400 cycles
- 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/U2RA201508050001

## Discrepancy

LEFT WING T/E RIB BETWEEN OTBD FLAP AND INBD AILERON VERTICAL STIFFINER WORN AND LOWER ATTACH BRACKET CRACKED.  1 EACH CRACK APPROXIMATE LENGTH .750".  R & R VERTICAL STIFFINER AND BRACKET IAW SRM 51-40-02, PARA 4 AND 7.

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