Service difficulty report · Wire Harness · Doug DC873F

Difficulty date
January 27, 2010
Submitted
January 28, 2010
Operation
Air carrier
Aircraft
N604BX
Make and model
Doug DC873F
Aircraft serial
46046
Aircraft time
90,427 hours, 30,710 cycles
Part
Wire Harness
Condition
Broken
Location
Nr 1 Fire Warn
Part time
90,427 hours, 30,710 cycles
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
E

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

What was found

DURING CLIMBOUT, NR 1 ENG SHORT CIRCUIT LIGHT CAME ON. NR ONE ENG FIRE WARNING WOULD NOT TEST. CREW SHUTDOWN NR 1 ENG AND LANDED WITHOUT FURTHER INCIDENT. MX INSPECTED AND FOUND LT LWR NINTH STAGE BLEED AIR DUCT BROKEN AT ENG CASE FLANGE AND CORE WIRING HARNESS BURNED. MX REPLACED NR 1 ENG CORE WIRING HARNESS AND LT LOWER NINTH STAGE BLEED AIR DUCT. OPS CHECK GOOD IAW MM 70-30-1 AND 26-10-0.

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