What was found
APU SMOKE: SMOKE EVIDENT IN CABIN WITH APU RUNNING, BLEEDS OFF. THOUGHT IT WAS THE VACUUM. TURNED BLEEDS ON AND THICK GRAY SMOKE FILLED CABIN.///SIGN-OFF/// REMOVED AND REPLACED THE APU. IAW CE-680A MM 49-10-00. OPS CHECK GOOD.
- Difficulty date
- February 2, 2022
- Submitted
- February 14, 2022
- Operation
- Air carrier
- Aircraft
- N541QS
- Make and model
- Cessna 680A
- Aircraft serial
- 680A0084
- Aircraft time
- 4,418 hours, 2,958 cycles
- System (JASC)
- 4910 · APU Cowling/Containment
- Part
- Apu
- Part number
- 3800785
- Part serial
- P776
- Condition
- Defective
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.