# SDR TRBA20120905002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 5, 2012
- Submitted: September 10, 2012
- Operation: Air carrier
- Aircraft: N425MJ
- Make and model: Aerosp ATR72
- Aircraft serial: 425
- Aircraft time: 31,097 hours, 34,631 cycles
- Engine: Pwa PW127
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Condition: Corroded
- Location: Rt Wing
- 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/TRBA20120905002

## Discrepancy

DURING MX INSPECTION,  FOUND THE RT WING RIB 5, WITH TWO RIVETS WITH CORROSION. ONE NEAR WATER DRAIN VALVE AND THE OTHER NEAR L/E.  ACFT REMOVED FROM SERVICE.  REMOVED SURFACE CORROSION IAW SRM  51-21-42.  ACFT RETURNED TO SERVICE.

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