What was found
ZONE TEMP ANNUNCIATOR LIGHTS UP (ABOVE CONT CAB) ON MASTER RECALL, BUT TURNS OFF WHEN MASTER CAUTION IS RESET. GROUNDED-YES. REPLACED CONTROL CABIN TCV, PER B737-800 AMM 21-61-21-000-801, GREEN GO LIGHT ILLUMINATED.
- Difficulty date
- October 30, 2020
- Submitted
- November 3, 2020
- Operation
- Air carrier
- Aircraft
- N586AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35189
- Aircraft time
- 47,453 hours, 14,362 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Modulating Valve
- Part number
- 3989083
- Part serial
- 9881
- Condition
- Inoperative
- Location
- Left Ecs Bay
- Part time
- 47,457 hours, 14,364 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.