What was found
DUCT PRESSURE SPLIT DURING CLIMBOUT AT 6000. RT=45 LT=12. AT FL390 RT=40 LT=40. AT TOP OF DESCENT RT=23 LT=20. REPLACED NR 1 HIGH STAGE VALVE & NR 1 HIGH STAGE REGULATOR.
- Difficulty date
- November 8, 2007
- Submitted
- November 9, 2007
- Operation
- Air carrier
- Aircraft
- N570AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35185
- Aircraft time
- 2,782 hours, 846 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Valve
- Part number
- 32144464
- Condition
- Defective
- Location
- Nr 1 Engine
- 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.