Service difficulty report · Wire · Boeing 747230B

Difficulty date
October 12, 2004
Submitted
October 14, 2004
Operation
Air carrier
Aircraft
N508MC
Make and model
Boeing 747230B
Aircraft serial
21644
Aircraft time
95,673 hours, 17,689 cycles
Engine
Ge CF650C2
Engine time
45,078 hours, 6,198 cycles
Part
Wire
Condition
Chafed
Location
Bleed Valve
Stage of operation
CR
How discovered
O
Nature of condition
S
Precautionary procedure
O

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

What was found

NR 3 ENGINE BLEED VALVE CLOSED, LIGHT STAYS ON AT CRUISE PWR & POPPED C/B AT LANDING. REPAIRED CHAFED WIRE PYLON TO HIGH STAGE BLEED VALVE PER WPM CH 20-10-13, OPERATIONAL CHECK OK.