Service difficulty report · Relay · Boeing 72725C

Difficulty date
August 2, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N946UP
Make and model
Boeing 72725C
Aircraft serial
19721
Part
Relay
Part number
65249203
Condition
Inop
Location
Lt Mlg Ww
Stage of operation
DE
Nature of condition
N
Precautionary procedure
O

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

What was found

IN DESCENT, WHEEL WELL FIRE WARNING ILLUMINATED. ACCOMPLISHED CHECKLIST ITEMS LIGHT EXTINGUISHED. INSPECTED W/W'S FOR EVIDENCE OF FIRE OVERHEAT AND PNEUMATIC LEAKS NO DEFECTS NOTED. INSPECTED FIRE LOOPS. NO EVIDENCE OF DAMAGE. REMOVED FIRE AND OVERHEAT ACCESSORY UNIT ASSY. FOUND ONE RELAY WITH BLACK PINS. REPLACED ACCESSORY UNIT W/W, FIRE TEST GOOD IAW MM 26-12-21. PART ON/OFF 65-24920-3 S/N ON 670604 S/N OFF 66807. SYSTEM CHECKS GOOD IAW.

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