# SDR CA031020002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 2003
- Submitted: November 3, 2003
- Operation: General aviation
- Make and model: Cndair CL6002C10
- Engine: Ge CF348C1
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Part number: WE38007703
- Part serial: P122C
- Condition: Smoke
- Location: Apu Bay
- Stage of operation: TO
- How discovered: O
- Nature of condition: N
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA031020002

## Discrepancy

(CAN) DURING THE TAKE OFF ROLL, THE SMOKE AFT LAV WARNING MESSAGE BECAME EVIDENT. THE LAVATORY SMOKE ALARM WAS GOING OFF AND THERE WAS A PRESENCE OF SOME SMOKE ACCORDING TO THE FLIGHT ATTENDANT. MAINTENANCE PERFORMED SOME TROUBLESHOOTING AND IN COMBINATION WITH THE HISTORICAL ASSOCIATION OF THIS ANOMALY WITH A MALFUNCTION IN THE APU ELECTED TO PLACE THE APU ON MEL.  THE AIRCRAFT RETURNED TO SERVICE.  LATER THE APU WAS REPLACED AND THE MEL WAS REMOVED.

---
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.