What was found
LEFT A/C PACK LIGHT ON AFTER TAKEOFF. WILL NOT RESET WITH QRH PROCEDURE. PRESSURE NORMAL USING RIGHT PACK. ACFT GROUNDED. REMOVED AND REPLACED TEMP CONTROL VALVE IAW AMM 21-51-10. BITE TEST AND LEAK CHECKED GOOD.
- Difficulty date
- March 9, 2017
- Submitted
- March 13, 2017
- Operation
- Air carrier
- Aircraft
- N532AS
- Make and model
- Boeing 737890
- Aircraft serial
- 36346
- Aircraft time
- 26,303 hours, 7,862 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Control Valve
- Part number
- 3989083
- Part serial
- 243
- Condition
- Failed
- Location
- Lt A/C Pack
- Part time
- 73,316 hours, 33,622 cycles
- Stage of operation
- CL
- 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.