SDR UIEA2019100215618

Service difficulty report · Engine · Boeing 76731K

Difficulty date: September 30, 2019
Submitted: October 2, 2019
Operation: Air carrier
Aircraft: N1373A
Make and model: Boeing 76731K
Aircraft serial: 27205
Aircraft time: 99,992 hours, 20,837 cycles
Engine: Ge CF680C
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Engine
Condition: Surges
Location: Right
Stage of operation: TX
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

WHILE TAXIING, AFTER LANDING, R ENGINE N1 AT IDLE KEPT SURGING FROM 26 TO 35% N1 UNTIL ENGINE SHUTDOWN. REMOVED AND INSPECTED 8TH STAGE CHECK VALVE, LUBRICATED, AND REINSTALLED. RAN R ENGINE WITH NO DEFECTS NOTED IAW AMM 71-00-00 AND 36-11-06.

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