What was found
CABIN ZONE TEMPERATURE ANNUNCIATION OCCURRED. BITE TEST INDICATED RIGHTHAND PACK TRIM MODULATING VALVE AT FAULT. RESET, OP CHECKED OK.
- Difficulty date
- April 17, 2008
- Submitted
- April 22, 2008
- Operation
- Air carrier
- Aircraft
- N583AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35681
- Aircraft time
- 2,936 hours, 880 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Modulating Valve
- Part number
- 3989083
- Condition
- Malfunctioned
- Location
- Rt A/C Pack
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.