Service difficulty report · Valve · Boeing 757223

Difficulty date
February 15, 2015
Submitted
August 28, 2015
Operation
Air carrier
Aircraft
N179AA
Make and model
Boeing 757223
Aircraft serial
32397
Aircraft time
42,250 hours, 12,320 cycles
Engine
Rroyce RB211535E4B3
Part
Valve
Condition
Faulted
Location
Zone 400
Stage of operation
CL
How discovered
O
Nature of condition
M, J
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AIR INTERRUPT, RETURNED, EMER DECLARED. LANDING UNEVENTFUL & ACFT OVERWEIGHT. DURING CLIMB NR 1 ENG HIGH STAGE ILLUMINATED ON ROTATION, FOLLOWED BY NR 1 ENG OVERHEAT LIGHT COMING ON THROUGH CLIMB. FOUND HIGH STAGE VLV STUCK IN OPEN POSITION & HPSOV PITOT VLV FAULTED. R & R HPSOV PITOT VLV. ACCOMPLISHED HIGH POWER ENG RUN WITH NO FAULTS NOTED. SYS CHECKED NORMAL.