SDR P5CA2021080900298

Service difficulty report · Relay · Boeing 7673JHF

Difficulty date: August 6, 2021
Submitted: August 10, 2021
Operation: Air carrier
Aircraft: N644GT
Make and model: Boeing 7673JHF
Aircraft serial: 37810
Aircraft time: 21,944 hours, 5,274 cycles
System (JASC): 2620 · Extinguishing System
Part: Relay
Part number: BACR13CF2AB
Condition: Faulted
Stage of operation: IN
How discovered: 9
Nature of condition: O
Precautionary procedure: K

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

What was found

DURING FWD CARGO HEAT INHIBIT AFTER "FWD ARMED" SWITCH ACTIVATION FUCTION CHECK, FOUND RELAY (K00231) FAIL(<P>IAW WDM 21-43-11 REV 34 CHECK VOLTAGE, FOUND RELAY FAIL. IAW SWPM 20-81-22 REV 77 REMOVED AND REPLACED RELAY. IAW AMM 26-23-01-706-038 REV 132 PERFORM TEST, TEST PASSED</P>)

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