# SDR VNAA2009080700001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 3, 2009
- Submitted: August 7, 2009
- Operation: Air carrier
- Aircraft: N241PS
- Make and model: Cndair CL6002B19
- Aircraft serial: 7909
- Aircraft time: 12,595 hours, 13,308 cycles
- System (JASC): [4970 · APU Indicating System](https://openairdocs.org/jasc/4970)
- Part: Warning System
- Condition: Malfunctioned
- Location: Apu
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/VNAA2009080700001

## Discrepancy

CREW REPORTED AN APU OIL PRESSURE CAS LIGHT ON AT CRUISE AFTER TAKEOFF FROM TYS.  THE AIRCRAFT RETURNED TO TYS AND LANDED WITHOUT INCIDENT.  MAINTENANCE INSPECTED THE APU ELECTRONIC CONTROL UNIT (ECU) PER THE AIRCRAFT FAULT ISOLATION MANUAL.  NO FAULTS WERE FOUND.  MAINTENANCE INSPECTED ALL CONNECTORS.  NO DEFECTS WERE NOTED.  MAINTENANCE PERFORMED OPERATIONAL CHECKS PER THE AIRCRAFT MAINTENANCE MANUAL.  AIRCRAFT WAS RELEASED FOR SERVICE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.