What was found
LEFT PACK LIGHT ILLUMINATED ON RECALL. ACFT GROUNDED. BITE TEST OF ZONE TEMP CONTROLLER NR 1 (M1442) FAILS "TCV" THIS PACK. REPLACED LT TCV, NO LEAKS NOTED. BITE CHECK PASSES REF AMM 21-51-10/401 AND FIM 21-62/830.
- Difficulty date
- December 28, 2014
- Submitted
- December 31, 2014
- Operation
- Air carrier
- Aircraft
- N577AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35186
- Aircraft time
- 29,818 hours, 8,963 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Control Valve
- Part number
- 3989083
- Part serial
- 9398
- Condition
- Malfunctioned
- Location
- Lt A/C Pack
- Part time
- 29,862 hours, 8,973 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.