Service difficulty report · Idg · Boeing 76733A

Difficulty date
February 26, 2007
Submitted
February 27, 2007
Operation
Air carrier
Aircraft
N589HA
Make and model
Boeing 76733A
Aircraft serial
33466
Aircraft time
16,508 hours, 3,186 cycles
Part
Idg
Part number
745329F
Part serial
G1561
Condition
Contaminated
Location
Lt Generator
Part time
16,508 hours, 3,186 cycles
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
H

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

What was found

ETOPS SIGNIFICANT SYSTEM, L GEN DRIVE LIGHT ON WITH ASSOC EICAS MESSAGE. FOLLOWED QRH AND DISCONNECTED L GEN AT 0254Z, APU STARTED. ECS MSG (IDG OIL LEVEL, ELX HYD PAGE MSG L GEN DRIVE, IDG OUT TEMP 103, RISE 27 ON AUTO EVENT PAGE T/S PER FIM 24-20-00/101 FIG 101, PERFORMED BPCU BITE. LEFT GEN SYS HAD IDG RISE TEMP, IDG LOW OIL PRESS AND DISC TRIP, PER FIM 24-20-00. TABLE 102 LOW OIL PRESS MSG WITH DPI POPPED, NEEDS IDG. REMOVED IDG FILTER PER AMM 24-11-02. FOUND FRESH BRIGHT SHINY METAL IN FILTER, NO EVIDENCE OF CONTAMINATION IN IDG OIL OR FUEL, WATER, SKYDROL. NO FLUSH REQUIRED PER AMM TASK 24-11-01-286-075 H(1) SCAVENGE FILTER AND OIL CONDITION CHECK TABLE. REMOVED IDG PER AMM 24-11-01-004-002-004.

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