Service difficulty report · Isolation Valve · Boeing 767306

Difficulty date
June 30, 2019
Submitted
July 1, 2019
Operation
Air carrier
Aircraft
N1427A
Make and model
Boeing 767306
Aircraft serial
28098
Aircraft time
79,462 hours, 16,961 cycles
Part
Isolation Valve
Condition
Closed
Location
Apu
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

APU ONLY PRODUCED 10 PSI FOR #1 ENGINE START. CROSS START REQUIRED TO START ENGINE 1.(<P>FOUND RT ISOLATION VALVE CLOSED. VALVE RESET, CYCLED, OPERATE OK REF 36-15-00.</P>)