# SDR DXTA2016052006242

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 25, 2016
- Submitted: May 26, 2016
- Operation: Air carrier
- Aircraft: N609QS
- Make and model: Cessna 560XL
- Registry model: [Cessna 560XL](https://openairdocs.org/model/cessna-560xl) (OpenAirDocs)
- Aircraft serial: 5605522
- Aircraft time: 10,321 hours, 8,038 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Apu
- Condition: Smoke
- Location: Apu Bay
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2016052006242

## Discrepancy

WHILE STARTING APU, CABIN IMMEDIATELY FILLED UP WITH THICK, ACRID SMOKE.  REMOVED APU IAW MM 49-10-00.  DRAINED REMOVED APU OF OIL.  CLEANED APU CONTAINMENT BOX & FLUSHED DRAIN LINES.  INSTALLED APU IAW MM 49-10-00.  R&R CONDENSER SOCK, PN 83237-12, IAW MM 21-51-00.  SERVICED APU OIL IAW MM 12-11-02.  OPS CHECK & LEAK CHECK SATISFACTORY ON APU RUN.  IAW MX CONTROL, COMPLETED ECS DUCT BURN OUT.  R&R WATER SEPARATOR CONDENSER SOCK, POST ECS BURN OUT PROCEDURE IAW MM 21-51-00.  PRESSURIZED ACFT TO 8 PSI FOR LEAK CHECKING WATER SEPARATOR ASSEMBLY.  LEAK CHECK SATISFACTORY OF WATER SEPARATOR ASSEMBLY ON PRESSURIZATION RUN.  INSTALLED APU ENCLOSURE BOTTOM ACCESS PANEL & APU OUTER COVER PANEL REMOVED FOR ACCESS.

---
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.