Service difficulty report · Bleed Valve · Boeing 757222

Difficulty date
December 21, 2008
Submitted
December 23, 2008
Operation
Air carrier
Aircraft
N595UA
Make and model
Boeing 757222
Aircraft serial
28748
Aircraft time
43,107 hours, 11,951 cycles
Engine
Pwa PW2037
Part
Bleed Valve
Part number
32144882
Condition
Faulty
Location
Lt Engine
Stage of operation
NR
How discovered
O
Nature of condition
W
Precautionary procedure
O

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

What was found

THE L ENG BLEED WON'T CLOSE WITH SWITCH OFF. CYCLE LEFT END START SW AND APU BLEED OPENED. ALL INDICATIONS NORMAL. REPLACED RELAY K10282 LT AIR SUPPLY ENGINE START RELAY. REPLACED AIR GROUND SYS 2 RELAY K10201. OP CHECKS GOOD ON ENGINE RUN.