SDR HALA0600854

Service difficulty report · Engine · Boeing 767300

Difficulty date: November 6, 2006
Submitted: November 8, 2006
Operation: Air carrier
Aircraft: N588HA
Make and model: Boeing 767300
Aircraft serial: 33466
Aircraft time: 15,524 hours, 2,987 cycles
Engine: Pwa PW4060
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Engine
Condition: Vibration
Stage of operation: CR
How discovered: O
Nature of condition: E
Precautionary procedure: O

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

What was found

ETOPS SIGNIFICANT SYSTEM, IN CRUISE RESONATING VIBRATION CAUSED BY SLIGHT SPLIT IN ENGINE INDICATIONS. FL390 AUTOTHROTTLES ON EPR 1.33L AND R LN,87.8 RN, 88.5 LN2 - 89RN288 FFL4.9 R4.8. INSPECTED NR 1 AND NR 2 ENGINES, NO DEFECTS NOTED ON GRD, ALL PARAMETERS NORMAL. NO VIBRATIONS NOTED.

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