# SDR ECPR2014061261660

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 12, 2014
- Submitted: June 12, 2014
- Operation: General aviation
- Filed by: [Skyborne Airline Academy Inc, repair station ECPR466D](https://openairdocs.org/faa-repair-station/ECPR466D/skyborne-airline-academy-inc.md) (OpenAirDocs)
- Aircraft: N7710A
- Make and model: Piper PA-44-180
- Registry model: [Piper PA-44-180](https://openairdocs.org/model/piper-pa-44-180) (OpenAirDocs)
- Aircraft serial: 4496089
- Aircraft time: 4,040 hours
- Engine: Lyc O360A1H6
- Engine time: 3,879 hours
- Propeller: Hartzl HCC2YR2
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- Part number: 86152000
- Condition: Corroded
- Location: Zone 500
- Part time: 4,040 hours
- 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/ECPR2014061261660

## Discrepancy

TWO AREAS OF CORROSION WAS FOUND ON THE UPPER SURFACE OF ANGLE ATTACHED TO THE LOWER PORTION OF THE LT WING SPAR ASSY, AT WING STATIONS 41.00 & 47.50.   AREAS OF CORROSION APPEARED TO HAVE STARTED INSIDE THE MATERIAL OF THE ANGLE WITH NO EXTERNAL INFLUENCE.

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