What was found
L/H PACK RAM AIR ACTUATOR CONTINOUSLY RUNNING. GROUNDED - YES. REPLACED L/H RAM AIR ACTUATOR. OPS CHECK OK. REF B737-900 AMM 21-51-21-400-801.
- Difficulty date
- July 13, 2021
- Submitted
- July 14, 2021
- Operation
- Air carrier
- Aircraft
- N407AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41731
- Aircraft time
- 32,769 hours, 10,327 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Actuator
- Part number
- 5416744
- Part serial
- 777097
- Condition
- Malfunctioned
- Location
- Ram Air Inlet
- Part time
- 22,762 hours, 6,939 cycles
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.