Service difficulty report · Pressure Switch · Boeing 767332

Difficulty date
December 13, 2009
Submitted
December 14, 2009
Operation
Air carrier
Aircraft
N594HA
Make and model
Boeing 767332
Aircraft serial
23275
Aircraft time
70,308 hours, 31,504 cycles
Part
Pressure Switch
Condition
Dirty
Location
Rt Generator
Stage of operation
NR
How discovered
9
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 - RT GEN DRIVE. DISCONNECTED. PERFORMED FIM 24-20-00/101 FIG 101. FOUND IDG HIGH RISE TEMP, SERVICE IDG, IDG PRESS SWITCH WIRING, AND DISCONNECT TRIP MSG'S ON BPCU. INSPECTED CHIP DET AND IDG SCAVENGE FILTER. NO DEFECTS NOTED. CLEANED AND IN-SPECTED IDG PRESS SWITCH WIRING, DRAINED AND SERVICED IDG. REPLACED IDG OIL SCAVENGE FILTER. RECONNECTED RT IDG. CLEARED MSG'S. RAN ENG AND IDLE FOR 15 + MINS TO OPERATING TEMP. REINSPECTED, NO LEAKS NOTED. OPS NORMAL.