SDR CALA2013112193156

Service difficulty report · Amu · Airbus A320232

Difficulty date: November 19, 2013
Submitted: November 22, 2013
Operation: Air carrier
Aircraft: N475UA
Make and model: Airbus A320232
Aircraft serial: 1495
Aircraft time: 40,885 hours, 17,740 cycles
Engine: Iae V2527A5
System (JASC): 2340 · Interphone/Passenger Announcement (PA) System
Part: Amu
Part number: AMU2790CB06
Part serial: 169
Condition: Faulty
Location: Nr 2
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

THE FWD & AFT FLIGHT ATTENDANT INTERPHONE HAS HIGH STATIC & WHEN THE FWD FLIGHT ATTENDANT TRIES TO TRANSMIT THE TRANSMISSION SHORTS TO THE PA SYSTEM. SWAPPING HANDSETS BETWEEN THE FWD & AFT CABIN, NO HELP. RESETTING THE AMU IS NO HELP. REPLACED AMU, BOTH HANDSET HARNESSES & FWD CRADLE. OPERATIONS CHECKED GOOD IAW AMM.

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