What was found
RIGHT HAND PACK LIGHT ILLUMINATES ON RECALL AND RESETS WITH MASTER CAUTION RESET. GROUNDED - YES. REMOVED AND REPLACED RH TRIM MODULATING VALVE REF B737-900 AMM 21-51-10.
- Difficulty date
- August 19, 2022
- Submitted
- August 23, 2022
- Operation
- Air carrier
- Aircraft
- N448AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36356
- Aircraft time
- 22,435 hours, 7,035 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Modulating Valve
- Part number
- 3989085
- Part serial
- 1602
- Condition
- Failed
- Location
- Right Ecs Bay
- Part time
- 84,004 hours, 40,489 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.