Service difficulty report · Relay · Boeing 74744AF

Difficulty date
March 20, 2015
Submitted
March 23, 2015
Operation
Air carrier
Aircraft
N572UP
Make and model
Boeing 74744AF
Aircraft serial
35669
Aircraft time
26,924 hours, 4,265 cycles
Part
Relay
Part number
91318506
Part serial
15396
Condition
Inoperative
Location
Battery
Stage of operation
LD
How discovered
O
Nature of condition
J
Precautionary procedure
B

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

What was found

EMERGENCY DECLARED ON ARRIVAL, PASSING THROUGH 1500' AGL, ACFT EXPERIENCED MULTIPLE ELEC FAULT INDICATIONS. FLAPS FAULTED TO 20 DEGREE, A/T DISENGAGED; LOST CAPTAIN AUDIO PANEL. AUTO BRAKES DISENGAGED. FOUND CMC. MSG 24725: RCCB C8841 OR C8843 OPEN. ACCOMPLISH BOW: TS 2938 IAW FIM 24-60-00-812-808, AMM 24-60-00-715-001, DC ELECTRICAL LOAD SYS TEST SATISFACTORY, AMM 24-31-01-705-035 C/W MAIN BATTERY TEST-OK. R & R BATTERY TRANSFER RELAY R7224.

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