What was found
EICAS MESSAGE FWD EQUIP VAL AIR RETURN BACK. REMOVED AND REPLACED THE MANIFOLD INTERCONNECT VALVE. IAW AMM 21-58-01
- Difficulty date
- March 27, 2025
- Submitted
- April 1, 2025
- Operation
- Air carrier
- Aircraft
- N566NC
- Make and model
- Boeing 7673BG
- Aircraft serial
- 30566
- Aircraft time
- 77,635 hours, 19,981 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Valve
- Part number
- 4200353
- Part serial
- 1211
- Condition
- Failed
- Location
- Zone 100
- Part time
- 3,165 hours, 1,277 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.