- Difficulty date
- July 28, 2019
- Submitted
- August 6, 2019
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35178
- Aircraft time
- 47,742 hours, 14,175 cycles
- Part
- Actuator
- Part number
- 5416744
- Part serial
- 14624
- Condition
- Faulted
- Location
- Ram Air
- Part time
- 27,213 hours, 8,093 cycles
- Stage of operation
- TX
- 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.
What was found
RAM AIR FULL OPEN LIGHT NOT ILLUMINATED (RIGHT) ON PREFLIGHT. GROUNDED - YES. CONFIRMED FAULT, R/H PACK-ZONE TEMP CONTROLLER BITE SHOWS R/H RAM AIR ACTUATOR FAULT. REMOVED & REPLACED R/H RAM AIR ACTUATOR REF B737-800 AMM 21-51-21. ACCOMPLISHED R/H PACK/ZONE TEMP CONTROLLER BITE REF AMM 21-61-00-700-806-002, OPS CK NML. NO FAULTS ON L/H PACK/ZONE TEMP CONTROLLER.