# SDR 5APR20110927001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 27, 2011
- Submitted: September 28, 2011
- Operation: General aviation
- Filed by: [Atlas Aircraft Center Inc, repair station 5APR577Y](https://openairdocs.org/faa-repair-station/5APR577Y/atlas-aircraft-center-inc.md) (OpenAirDocs)
- Aircraft: N874AF
- Make and model: Pilats PC1247
- Aircraft serial: 874
- Aircraft time: 2,649 hours, 2,577 cycles
- Engine: Pwa PT6A67B
- Engine time: 2,649 hours, 2,577 cycles
- Propeller: Hartzl HCE4A3D
- System (JASC): [2100 · Air Conditioning System](https://openairdocs.org/jasc/2100)
- Part: Motor
- Part number: 9599022126
- Part serial: 4207
- Condition: Faulty
- Location: Zone 100
- Part time: 2,649 hours, 2,577 cycles
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/5APR20110927001

## Discrepancy

THE VCCS SYS WAS REPORTED AS INOP.  THE VCCS DRIVE MOTOR, PN 959.90.22.126 WAS FOUND FAULTY. IT WAS R & R WITH A SERVICEABLE UNIT OF THE SAME PN IAW AMM 12-A-21-50-03-00A-313A-A AND CMM 21-00-23.  OPS CHECK NORMAL.

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