SDR HALA2011121600593

Service difficulty report · Oil System · Boeing 7673CB

Difficulty date: December 16, 2011
Submitted: December 19, 2011
Operation: Air carrier
Aircraft: N588HA
Make and model: Boeing 7673CB
Aircraft serial: 33466
Aircraft time: 35,504 hours, 6,566 cycles
System (JASC): 2421 · AC Generator-Alternator
Part: Oil System
Condition: Low
Location: Nr 1 Idg
Stage of operation: DE
How discovered: O
Nature of condition: J
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 SYS - TOP OF DESCENT, LT GENERATOR DRIVE LIGHT FLICKERED WITH MOMENTARILY EICAS MESSAGE LT GENERATOR DRIVE. ON ACFT OVERNIGHT CHECK AFTER ARRIVAL, FOUND NR 1 ENGINE IDG OIL LEVEL TO BE LOW. SERVICED IDG GROUND IDLE ENGINE RUN CK GOOD. NO GENERATOR DRIVE LIGHT INDICATOR, OK FOR SVC.

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