# SDR U2RA201504010001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 2015
- Submitted: April 2, 2015
- Operation: Air carrier
- Aircraft: [N952CA](https://openairdocs.org/aircraft/N952CA), registered now
- Make and model: Boeing 747428
- Aircraft serial: 25238
- Aircraft time: 87,074 hours, 12,674 cycles
- Engine: Ge CF680C2B1F
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Part number: 112U9200
- Condition: Cracked
- Location: Zone 600
- Part time: 87,074 hours, 12,674 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/U2RA201504010001

## Discrepancy

RIGHT WING RIB SUPPORT AT MID SPAR IN NR 3 MAIN TANK WING STA 1140, CRACKED.  CRACK LENGTH APPROXIMATELY 4".  R & R RIB SUPPORT NR 112U9200.

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