What was found
DIVERSION: FLIGHT DECK AND UPPER DECK AREA TEMPERATURE UNCONTROLLABLE.(<P>R/R FLT DECK ZONE TRIM MOD VLV AND ZONE TEMP CONTROL MOD PER AMM 21-61-10/401 AND 21-61-01/401. OPS CHK GOOD. </P>)
- Difficulty date
- February 27, 2024
- Submitted
- June 28, 2024
- Operation
- Air carrier
- Aircraft
- N412MC
- Make and model
- Boeing 74747UF
- Aircraft serial
- 30559
- Aircraft time
- 97,253 hours, 15,746 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Modulating Valve
- Part number
- 7192244
- Part serial
- 9910053
- Condition
- Faulted
- Location
- Cabin Temp
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.