Service difficulty report · Fcu · Boeing 757231

Difficulty date
August 8, 2022
Submitted
August 9, 2022
Operation
Air carrier
Aircraft
N723TW
Make and model
Boeing 757231
Aircraft serial
29378
Aircraft time
79,638 hours, 19,968 cycles
Engine
Pwa PW2037
Part
Fcu
Condition
Surges
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

SHIP 6817 -DIV- AIRCRAFT DIVERTED INTO IAD DUE TO RIGHT ENGINE SURGED EPR FLUCTUATIONS. CORRECTIVE ACTION: FOQA CONFIRMED PARAMETER FLUCTUATIONS. FCU AND 14TH STAGE CONVERTER VALVE REPLACED. ALL TESTS PASS.