SDR ASOA01010

Service difficulty report · Hmu · Emb EMB120RT

Difficulty date
January 27, 2001
Submitted
February 15, 2001
Operation
Air carrier
Aircraft
N236AS
Make and model
Emb EMB120RT
Aircraft serial
120049
Engine
Pwa PW118
Part
Hmu
Part number
5009984C
Condition
Inoperative
Location
Engine
Part time
18,202 hours
Stage of operation
CR
How discovered
O
Nature of condition
R, X
Precautionary procedure
O

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

What was found

FLT 4960 - DURING FLIGHT FROM HOU TO DFW AFTER 2 MINUTES IN CRUISE, THE LEFT ENGINE WENT TO 20 PERCENT TORQUE, NP WENT TO 85 PERCENT, NH WENT TO 80 PERCENT, AND ENGINE OIL PRESSURE DROPPED TO ZERO. TEN TO TWELVE SECONDS AFTER FLAMEOUT, ENGINE STARTED BACK UP AND EVERYTHING WAS NORMAL. AIRCRAFT CONTINUED TO DFW AND LANDED SAFELY. MAINTENANCE REPLACED THE HMU AND FUEL PUMP. MAINTENANCE RAN ENGINES AND TESTED SYSTEM. OPERATIONAL CHECKS WERE GOOD. AIRCRAFT RETURNED TO SERVICE. (M)

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