SDR IPXA2015013085508

Service difficulty report · Relay · Boeing 76734AF

Difficulty date: January 29, 2015
Submitted: January 30, 2015
Operation: Air carrier
Aircraft: N337UP
Make and model: Boeing 76734AF
Aircraft serial: 27241
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Relay
Condition: Inoperative
Location: Mlg
Stage of operation: CL
How discovered: O
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

DURING NOSE GEAR EXTENSION, NUMERIOUS WARNING LIGHTS ILLUMINATED ON FWD INST PANEL ALONG WITH SW MODE CONTROL PANEL LIGHTS. NO ASSOCIATED WARNING HORNS OR EICAS MESSAGES NOTED WITH WARNING LIGHTS. FOUND RELAY K710 PROVIDING TEST GROUND TO ASSOCIATED WARNING LIGHTS. REPLACED RELAY K710 AND OPS CKS GOOD IAW MM 33-16-00-715-060, IPC 33-16-52-01C-105.

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