What was found
FWD EQPT VAL EICAS MSG AT FL 400. MESSAGE STAYS WHEN EQUIP COOLING TO STBY, PRESSURIZATION NORMAL. REMOVED AND REPLACED OVERBOARD EXHAUST VALVE IAW AMM 21-58-05
- Difficulty date
- January 5, 2025
- Submitted
- January 10, 2025
- Operation
- Air carrier
- Aircraft
- N565NC
- Make and model
- Boeing 7673BG
- Aircraft serial
- 30565
- Aircraft time
- 79,783 hours, 18,492 cycles
- System (JASC)
- 2120 · Air Distribution System
- Part
- Exhaust Valve
- Part serial
- 826
- Condition
- Failed
- Location
- Zone 100
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.