Service difficulty report · Relay · Boeing 74747UF

Difficulty date
October 26, 2014
Submitted
October 27, 2014
Operation
Air carrier
Aircraft
N492MC
Make and model
Boeing 74747UF
Aircraft serial
29253
Aircraft time
69,171 hours, 12,024 cycles
Part
Relay
Part number
KD4L036
Condition
Failed
Location
Fire Warning
Stage of operation
CR
How discovered
O
Nature of condition
N
Precautionary procedure
G

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

What was found

REFERENCE LOG PAGE 586518 ITEM 1. LOWER AFT CARGO FIRE WARNING LIGHT ON AFTER TOC FOR APPROXIMATELY 5 MINUTES. REPLACED RELAY R7453 IN P415 PANEL IAW SWPM 20-81-22. TEST PASSED IAW AMM 26-16-00 501.

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