What was found
LEFT PACK LIGHT ON DURING RECALL AT TOP OF DESCENT. EXTINGUISHES W/MASTER CAUTION RESET. GROUNDED - YES. FOUND FAULTS ON LH RAM AIR EXHAUST ACTUATOR. REMOVED & REPLACED ACTUATOR REF B737-900 AMM 21-51-27-000/400-801.
- Difficulty date
- May 20, 2023
- Submitted
- May 24, 2023
- Operation
- Air carrier
- Aircraft
- N468AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41735
- Aircraft time
- 32,956 hours, 10,406 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Actuator
- Part number
- 6760000141
- Part serial
- 676000145871
- Condition
- Faulted
- Location
- Lt Ram Air Inlet
- Stage of operation
- DE
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.