SDR EIAA9573

Service difficulty report · Engine · Doug DC932F

Difficulty date: December 23, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N935F
Make and model: Doug DC932F
Aircraft serial: 47220
Engine: Pwa JT8D9A
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Engine
Condition: Malfunctioned
Location: Left
Part time: 4,548 hours
Stage of operation: NR
Nature of condition: E, J
Precautionary procedure: O

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

What was found

KTN - LEFT ENGINE EPR ABRUPTLY DROPPED TO 1.4 AND EGT PEGGED, CLIMB AT FL 260 ACCOMPANIED BY STRONG VIBRATION, REDUCING THRUST LEVER TO IDLE LESSENED VIBRATION AND EGT CAME DOWN TO 500 DEGREES. WHEN EPR INITIALLY DROPPED TO 1.4, N1 DROPPED TO 38 PERCENT AND N2 DROPPED TO 62 PERCENT. (M)

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