SDR EIA2006066

Service difficulty report · Engine · Boeing 747212B

Difficulty date: May 11, 2006
Submitted: May 22, 2006
Operation: Air carrier
Aircraft: N486EV
Make and model: Boeing 747212B
Aircraft serial: 20888
Aircraft time: 86,719 hours, 20,448 cycles
Engine: Pwa JT9D7F
Engine time: 8,147 hours, 1,787 cycles
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Engine
Condition: Stalled
Location: Nr 3
Stage of operation: DE
How discovered: O
Nature of condition: R, 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 DESCENDING FORM FL370 TO FL350, NR 3 ENGINE WENT INTO UNRECOVERABLE STALL. NO FLAMEOUT, VIBRATION OR EXCEEDENCES NOTED. NO SUCCESS WITH TWO ATTEMPTS TO RELIGHT. RAN IN-FLIGHT SHUTDOWN PROCEDURES, WAS ABLE TO RESTART AT FL 180. CHECKED PS3, PT3 PER MM 75-31-01, CHKD PRESS FP12, FP3 AT FUEL PUMP PER MM 77-00-40, REPLACED FLOW DIVIDER PER MM 75-32-03, ENGINE CHECKED PER MM 71-00-42 WITH NON FINDINGS. PERFORMED WINDMILL INSPECTION AS PER72-00-00.

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