SDR CALA2018081731790

Service difficulty report · Relay · Airbus A320232

Difficulty date: August 13, 2018
Submitted: August 17, 2018
Operation: Air carrier
Aircraft: N454UA
Make and model: Airbus A320232
Aircraft serial: 1104
Aircraft time: 63,167 hours, 24,870 cycles
System (JASC): 5270 · Door Warning System
Part: Relay
Part number: E024528A0
Condition: Inoperative
Location: Door Warning
Stage of operation: IN
How discovered: C
Nature of condition: L
Precautionary procedure: K

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

What was found

DOOR WARNING FAILED STEP 8, CLOSED CIRCUIT BREAKER P11 AND OPEN CIRCUIT BREAKER P10 OF THE DOOR WARNING CARD. REMOVED AND REPLACED THE RELAY 12WN IAW ESPM 20-46-50, FOUND FAULTY WHEN TROUBLESHOT IAW TSM 52-11-00. AFFIRMED THE OPS TEST OF THE DOOR WARNING IAW AMM 52-71-00, AND TESTED NORMAL.

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