# SDR IPXA2575274

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 1, 2012
- Submitted: September 12, 2012
- Operation: Air carrier
- Aircraft: [N417UP](https://openairdocs.org/aircraft/N417UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 23904
- Aircraft time: 25,566 hours, 16,914 cycles
- Engine: Rroyce RB211535E4
- System (JASC): [5751 · Ailerons](https://openairdocs.org/jasc/5751)
- Part: Counterweight
- Part number: 113N72082
- Condition: Corroded
- Location: Rt Aileron
- 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/IPXA2575274

## Discrepancy

INSPECTION TYPE: C, RT AILERON INBD SET OF COUNTER BALANCE WEIGHTS CTR OTBD WEIGHT HAS SURFACE CORROSION.  COUNTER BALANCE WEIGHTS OUT OF LIMITS, R & R BALANCE WEIGHTS IAW SRM 57-60-02-1A-1 & 51-40-02-0G.

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