What was found
CABIN ALTITUDE WARNING HORN SOUNDED ALONG WITH CABIN ALTITUDE WARNING LIGHT ILLUMINATED. AN EMERGENCY WAS DECLARED. R & R THE EQUIPMENT COOLING OUTBOARD EXHAUST VALVE IAW MM.
- Difficulty date
- March 21, 2018
- Submitted
- March 26, 2018
- Operation
- Air carrier
- Aircraft
- N7724A
- Make and model
- Boeing 7377BD
- Aircraft serial
- 36725
- Aircraft time
- 28,525 hours, 14,431 cycles
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Outflow Valve
- Part number
- 2079801
- Part serial
- 0847093
- Condition
- Malfunctioned
- Location
- Cabin Pressure
- Stage of operation
- CR
- 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.