What was found
CREW ON FLT 1148/12 SLC-BWI RADIOED THAT AT FL340 CABIN ALTITUDE WARNING SOUNDED AND CREW REALIZED CABIN ALTITUDE WAS 11K AND CLIMBING AT 1000FT/MIN. REPLACED LOWER PRESSURE RELIEF VALVE.
- Difficulty date
- February 12, 2006
- Submitted
- February 22, 2006
- Operation
- Air carrier
- Aircraft
- N624DL
- Make and model
- Boeing 757232
- Aircraft serial
- 22914
- Aircraft time
- 63,122 hours, 31,138 cycles
- System (JASC)
- 2130 · Cabin Pressure Control System
- Part
- Relief Valve
- Part number
- 211702869
- Part serial
- 1181379
- Condition
- Malfunctioned
- Location
- Cabin Pressure
- Stage of operation
- DE
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- B
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.