Service difficulty report · Warning Message · Boeing 737990ER
FAA SDR system
- Difficulty date
- July 2, 2021
- Submitted
- July 7, 2021
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44107
- Aircraft time
- 21,572 hours, 6,911 cycles
- Part
- Warning Message
- Condition
- False Activation
- Location
- Cockpit Temp
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- N
- 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" TEMP CONTROLLER ZONE TEMP LIGHT. LIGHT GOES OUT WHEN MASTER CAUTION PUSHED. GROUNDED - YES. PZTC #2 FAULTED FLIGHT DECK TRIM VALE, RESET FAULT & OPS BOTH PACKS FOR 20 MINUTES, RECALL TEST PASSED NO FAULTS NOTED, B737-900 AMM 21-00-00 & AMM 21-51-00-700-803.