Service difficulty report · Switch · Boeing 757222

Difficulty date
July 18, 2005
Submitted
July 26, 2005
Operation
Air carrier
Aircraft
N517UA
Make and model
Boeing 757222
Aircraft serial
24861
Aircraft time
49,152 hours, 18,173 cycles
Engine
Pwa PW2037
Part
Switch
Condition
Malfunctioned
Location
Apu
Stage of operation
DE
How discovered
O
Nature of condition
H, J
Precautionary procedure
B

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

What was found

LANDED SFO UNDER AMBER ALERT DUE TO LOSS OF GENERATOR AND APU NO-START. GENERATOR DELTA-P SWITCH REPLACED. OPS CHECK GOOD. NO METAL FOUND ON CHIP DET. IN ADDITION TO REPLACEMENT OF GEN DELTA P SWITCH, CH ITEM INCLUDED TO REPLACE APU GENERATOR DUE TO MULTIPLE GRIPES OF CHARGING SYSTEM. THE IDG REQUIRED FLUID SERVICING. INITIALLY THE IDG WAS SERVICED, BUT WAS THEN REPLACED WITH A NEW UNIT DUE TO EXCESS FLUID SERVICING REQUIRED.