What was found
ZONE TEMP LIGHT ILLUMINATED. GROUNDED - YES. CONFIRMED FAULT NR 2 PACK ZONE TEMP CONTROLLER SHOWS HARD FAIL FLIGHT DECK TCV (V143). REMOVED & REPLACED FLIGHT DECK TCV REF AMM 21-61-21, LK CK & OPS CK NML REF AMM 21-61-00-700-806-002.
- Difficulty date
- October 19, 2018
- Submitted
- October 22, 2018
- Operation
- Air carrier
- Aircraft
- N579AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35187
- Aircraft time
- 44,526 hours, 13,255 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Control Valve
- Part number
- 3989085
- Part serial
- 17277
- Condition
- Failed
- Location
- Cockpit
- Part time
- 23,115 hours, 6,867 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.