What was found
EXPERIENCED A RAPID DECOMPRESSION. ACCOMPLISHED SAFETY RELIEF VALVE TEST PER MM 21-32-21 AND TEST FAILED. REPLACED VALVE AND PERFORMED CABIN DEPRESSURIZATION AND ALTITUDE WARNING CHECKS PER MM 05-51-81, SYSTEM OPS GOOD.
- Difficulty date
- November 7, 2005
- Submitted
- January 4, 2006
- Operation
- Air carrier
- Aircraft
- N340UA
- Make and model
- Boeing 737322
- Aircraft serial
- 24244
- Aircraft time
- 50,859 hours, 27,887 cycles
- Engine
- Ge CFM56*
- System (JASC)
- 2130 · Cabin Pressure Control System
- Part
- Relief Valve
- Part number
- 720737
- Part serial
- 920340
- Condition
- Failed
- Location
- Bs 1016
- Part time
- 50,860 hours, 27,888 cycles
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- B, A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.