What was found
DURING CLIMB, AT FL300. DUCT PRESSURE SPLIT. AT CRUISE 350 EACH CLIMB WOULD GIVE ANOTHER SPLIT GREATER THAN 20 PSI. ON DEFERRAL.
- Difficulty date
- October 26, 2011
- Submitted
- November 2, 2011
- Operation
- Air carrier
- Aircraft
- N592AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35190
- Aircraft time
- 14,250 hours, 4,606 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Valve
- Part number
- 32895626
- Part serial
- 9905
- Condition
- Failed
- Location
- Nr 1 Engine
- Part time
- 16,764 hours, 5,862 cycles
- Stage of operation
- CL
- 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.