SDR AALA20141104005

Service difficulty report · Fuel Control · Doug DC983

Difficulty date: November 4, 2014
Submitted: November 10, 2014
Operation: Air carrier
Aircraft: N9402W
Make and model: Doug DC983
Aircraft serial: 53138
Aircraft time: 63,034 hours, 30,629 cycles
Engine: Pwa JT8D219
System (JASC): 7321 · Fuel Control/Turbine Engines
Part: Fuel Control
Condition: Defective
Location: Lt Engine
Stage of operation: CR
How discovered: O
Nature of condition: R, J
Precautionary procedure: A

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

What was found

AIR INTERRUPT, ACFT EXPERIENCED AN UNCOMMANDED LT ENGINE ROLLBACK AT CRUISE ALTITUDE. ENGINE THRUST MOVED TO IDLE. POWER REGAINED IN DESCENT. DIVERTED, EMERGENCY DECLARED, LANDED UNEVENTFULLY . REMOVED AND REPLACED THE RIGHT ENGINE FUEL PUMP AND FUEL CONTROL UNIT IAW MCM 73-94-03, 73-94-04 AND 73-91-99, PERFORMED ADJUSTMENT TEST IAW 71-91-03. LEAK CHECKED GOOD. SYSTEM CHECKEDS NORMAL.

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