What was found
LEFT PACK LIGHT ON. GROUNDED - YES. R/R LEFT PACK TEMP CONTROL VALVE REF B737-900 AMM 21-51-10, PERFORMED BITE TEST REF 21-61-00, NO FAULTS NOTED. THIS CLEARS MEL 21-32B REMOVED PLACARD C/N 16037423. SEAMC SCOTT NOTIFIED.
- Difficulty date
- August 16, 2021
- Submitted
- August 18, 2021
- Operation
- Air carrier
- Aircraft
- N423AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 35206
- Aircraft time
- 30,160 hours, 9,682 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Control Valve
- Part number
- 3989083
- Part serial
- 8725
- Condition
- Faulted
- Location
- Left Ecs Bay
- Part time
- 51,136 hours, 17,201 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.