Service difficulty report · Apu · Boeing 767322

Difficulty date
August 18, 2021
Submitted
August 18, 2021
Operation
Air carrier
Aircraft
N672UA
Make and model
Boeing 767322
Aircraft serial
30027
Aircraft time
74,790 hours, 15,887 cycles
Part
Apu
Part number
38002981
Condition
Inoperative
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

APU FAULT EICAS. WITH AUTO SHUT DOWN IN FLIGHT. DUE TO HISTORY OF APU AUTO SHUTDOWN PLEASE REMOVE & REPLACE APU. NO TIME TO TS. APU INOPED PER MEL. UPON CLEARING THIS ITEM TO APPLY APU VERIFICATION FLIGHT REQUIREMENT APU PLACED ON MEL, BITE CHECKED BOX, IT SHOWED GEN FILTER,FOR SHUTDOWN 1,2 AND 3. REMOVED APU IAW AMM 49-11-01-000-856-C1. REMOVED AND REPLACED APU IAW AMM 49-13-02-404. MOUNT BOLTS AND FEEDER CABLES TORQUED. APU STILL NEEDS OP AND LEAK CHECK. ISSUED ETOPS VERIFICATION FLIGHT LP 6876320. APU OP AND LEAK CHECKS PERFORMED, NO DEFECTS NOTED.