Service difficulty report · Tpu · Boeing 7572S7

Difficulty date
October 8, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N906AW
Make and model
Boeing 7572S7
Aircraft serial
23568
Engine
Rroyce RB211535E4
Part
Tpu
Part number
ETPU10002C
Condition
Failed
Location
Nr 2 Engine
Part time
22,661 hours
Stage of operation
DE
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

ENGINE SHUTDOWN, NUMBER 2 ENGINE FLAMED OUT DURING DESCENT. EICAS MESSAGE APPEARED NR 2 ENGINE LOW PRESSURE PUMP. FOM PROCEDURE COMPLIED WITH. PRECAUTIONARY INSPECTIONS COMPLIED WITH. BITE TEST ON TPU SHOWED FAULT CODES B3, B5, B6, B9 & B20. REMOVED AND REPLACED TPU. REMOVED AND REPLACED THE DFDU DISC. INSPECTED WIRE HARNESS FROM TPU TO TFU FOR SECURITY AND ANY CHAFING. NO DEFECTS NOTED.

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