What was found
BLOWER AND FREON AIR SYSTEM MAKES A NOTICABLE GRINDING/ BUZZING SOUND ACCOMPANIED BY A FRICTION/BURNING ODOR. IT IS MOST APPARENT AT THE AIR EXHAUST. THIS WORSENS THE LONGER IT RUNS.
- Difficulty date
- May 12, 2011
- Submitted
- May 13, 2011
- Operation
- Air carrier
- Aircraft
- N149QS
- Make and model
- Beech 400A
- Aircraft serial
- RK473
- Aircraft time
- 2,044 hours, 1,956 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- A/C Pack
- Condition
- Noisy
- Location
- Cabin
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- E, B
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.