What was found
LEFT PACK LIGHT ILLUMINATED AMBER. GROUNDED - YES. RAN BITE TEST FOUND RAM AIR DOOR ACTUATOR FAULT. REPLACED ACTUATOR IAW B737-900 AMM 21-51-21. CLEARED FAULT, OP CHECKS GOOD AT THIS TIME.
- Difficulty date
- February 22, 2021
- Submitted
- February 25, 2021
- Operation
- Air carrier
- Aircraft
- N403AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41730
- Aircraft time
- 31,247 hours, 10,107 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Actuator
- Part number
- 5416744
- Part serial
- 16509
- Condition
- Faulted
- Location
- Ram Air Inlet
- Part time
- 30,245 hours, 9,715 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.