What was found
L PACK LIGHT ILLUMINATES ON RECALL AND EXTINGUISHES ON RESET. GROUNDED - YES. REMOVED AND REPLACED LEFT PACK TEMP CTL VALVE PER B737-900 AMM 21-51-10. ORIG SUB DATE: 1/25/2023
- Difficulty date
- January 21, 2023
- Submitted
- February 1, 2023
- Operation
- Air carrier
- Aircraft
- N413AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 35205
- Aircraft time
- 36,592 hours, 11,528 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Modulating Valve
- Part number
- 3989085
- Part serial
- 2651
- Condition
- Faulted
- Location
- Lt A/C Pack
- Part time
- 72,568 hours, 37,551 cycles
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.