Service difficulty report · Relay · Airbus A320232

Difficulty date
March 25, 2022
Submitted
March 25, 2022
Operation
Air carrier
Aircraft
N479UA
Make and model
Airbus A320232
Aircraft serial
1538
Aircraft time
61,370 hours, 26,550 cycles
Part
Relay
Part number
NA
Part serial
NA
Condition
Odor
Location
Na
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

FLIGHT CREW REPORTED TO HMC SMOKE IN THE COCKPIT UPDATING TO REFLECT SDR ITEM DEBREIFED CREW AND FOUND C/B E8 ON 49VU TRIPPED.. REF AWM 31-68-04 ,31-68-05,31-68-06,31-68-07,,31-61-07..FOUND TESTS PASSED.EIS DMC SWITCHING CKS NORMAL..CIRCUIT BRKR STAYS RELAY BOX20WT1 SHOWING BURN MARKS AND HEAT DISCOLORED...REPLACED SET...NO ABNORMAL INDICATIONS AND NO SMELL OR SIGNS OF RELAY BOX 20WT1...OPS CKED DMC1,2 AND 3..REF MM SMOKE..GVI OF SOCKTES AND WIRES GOING TO RELAY 20WT1 SHOWED NO 31-63-34..PERFORMED TEST OF EIS SYSTEM PER MM 31-60-00 AND ALL SIGNS OF DAMAGE

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