# SDR CA980330022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 25, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Piper PA-31-350
- Registry model: [Piper PA-31-350](https://openairdocs.org/model/piper-pa-31-350) (OpenAirDocs)
- System (JASC): [5751 · Ailerons](https://openairdocs.org/jasc/5751)
- Part: Spar
- Part number: 4019016
- Condition: Cracked
- Location: Ail Inb Hinge
- Part time: 9,583 hours
- Component: 4020042
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA980330022

## Discrepancy

(CAN) PIPER SB 974 HAD BEEN COMPLETED AND HINGE P/N 74461-02 HAD BEEN INSTALLED.  THIS WAS TERMINATING ACTION FOR AWD 96-21-03.  THE CRACK WAS FOUND DURING A RE-SKINNING OF THE AILERON.  FOUR OTHER AILERONS ON THE FLEET WERE INSPECTED AND THREE WERE FOUND CRACKED.  REF:  SDR CA980330023, SDR CA980330021.  AIRCRAFT TT:  8,362 HOURS.

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