What was found
WHILE OPERATING NR 1 PACK, PACK EMITTED A SIREN LIKE SOUND. ACFT GROUNDED. R & R LT AIR CYCLE MACHINE REF 737-900 AMM 21-51-04-000-802-002 AND AMM 21-51-04-400-802-002. OPS CK, LEAK CK, AND BITE CHECK GOOD.
- Difficulty date
- February 28, 2016
- Submitted
- March 1, 2016
- Operation
- Air carrier
- Aircraft
- N435AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 43292
- Aircraft time
- 9,255 hours, 3,044 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Blade
- Condition
- Missing
- Location
- Lt Acm
- Part time
- 9,255 hours, 3,044 cycles
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.