What was found
LH PACK TCV FAILED BITE CHECK PER T/C NG-21EA-23228-1. GROUNDED - YES. REMOVED & REPLACED LH PACK TCV V139 REF B737-800 AMM 21-51-10. OPA CHECK GOOD. 3 MIG 51-A TAGS INSTALLED & REMOVED. LEAK CHECK GOOD.
- Difficulty date
- October 29, 2021
- Submitted
- November 2, 2021
- Operation
- Air carrier
- Aircraft
- N514AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35193
- Aircraft time
- 47,191 hours, 13,959 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Control Valve
- Part number
- 3989083
- Part serial
- 2783
- Condition
- Failed
- Location
- Left Ecs Bay
- Part time
- 75,297 hours, 32,565 cycles
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.