# SDR EPHR20140926002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2014
- Submitted: September 26, 2014
- Operation: General aviation
- Aircraft: N558CL
- Make and model: Boeing 747-4EVF
- Registry model: [Boeing 747-4EVF](https://openairdocs.org/model/boeing-747-4evf) (OpenAirDocs)
- Aircraft serial: 35171
- Aircraft time: 23,624 hours, 3,875 cycles
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Part number: 65B1086574
- Condition: Broken
- Location: Zone 600
- 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/EPHR20140926002

## Discrepancy

DURING ACCOMPLISHMENT OF A FLAP CARRIAGE CHANGE ON THE RT WING, IT WAS NOTED THE T/E RIB ASSY AT WBL 516 WAS BROKEN INTO TWO PIECES.  THE DAMAGE WAS REPAIRED BY REPLACEMENT .

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