- Difficulty date
- April 25, 2019
- Submitted
- April 26, 2019
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35688
- Aircraft time
- 41,726 hours, 12,659 cycles
- Part
- Controller
- Condition
- Malfunctioned
- Location
- Temp
- 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.
What was found
CONT CAB ZONE TEMP ILLUMINATED ON RECALL. IT RESET WITH MASTER CAUTION RESET. GROUNDED - YES. FLIGHT DECK PRIMARY TEMP CONTROLLER INOP. PERFORMED PACK/ZONE TEMP CONTROLLER BITE. BITE PASSED. NO FAULTS. REF B737-800 AMM 21-61-00. LIGHT REMAINS EXTINGUISH ON RECALL.