Service difficulty report · Control Panel · Airbus A319131

Difficulty date
December 6, 2023
Submitted
December 8, 2023
Operation
Air carrier
Aircraft
N806UA
Make and model
Airbus A319131
Aircraft serial
788
Aircraft time
74,764 hours, 32,144 cycles
Part
Control Panel
Part number
8990850004
Part serial
3844
Condition
Inoperative
Location
Audio
Part time
18,295 hours, 8,532 cycles
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
A, B

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

What was found

CREW REPORTED WATER SPILLED ONTO THE F/O''S SIDE RADIO MNGMNT PANEL AN AUDIO CONTROL PANEL CAUSING ALL 3 VHF COMM RADIO FREQUENCY DISPLAYS TO GO BLANK. C/B''S ON 49VU; G7, G9 121VU; L2, L4, L5, L6, L7, OPENED AND TAG FOR MAINTENANCE PERFORMED TSM 23-13-00-810-862-A RMP DISPLAYS INOP, FOUND MOISTURE AROUND F/O''S RMP AND IT''S CONNECTOR. ALSO FOUND A FEW DROPS OF WATER ON F/O''S AUDIO PANEL. REMOVED CAPT''S AND F/O''S RMP''S PER AMM 23-13-13-000-001. DRIED CONSOLE AREA AND RMP F/O''S RMP NEEDS TO BE INSTALLED, DID NOT TRY REINSTALLING IT, RECOMMEND REPLACING F/O''S RMP PRECAUTIONARY. BREAKERS ARE PULLED SEE UPDATE REPLACED F/O''S RMP PER AMM 23-13-13-400-001-A, OPERATION CHECKED OK. AIRCRAFT EFFECTIVITY E. (1) STATES DEACT STICKER NOT REQUIRED FOR A/C 401-413 DUEL ADF, RMP INSTALLED WAS A ADF BFO PANEL WHICH REQUIRE 2 DEACT STICKERS 1F16827-1 FOR A/C 414-499. PANEL, RADIO MA OFF 31-2314-9-0001 3844 ON 0000 PANEL, RADIO MA OFF 31-2314-9-0001 3844 ON 31-2314-9-0001 0206 CONNECTORS WITH PAPER TOWELS AND NITROGEN AIR. INSTALLED CAPTAINS RMP PER AMM 23-13-13-400-001. CLOSED BREAKERS FOR CAPTAINS RMP, RMP3, VHF1, VHF2, VHF3, DISPLAYS AND OPERATION CAME BACK. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1615713 SN OFF 3844 DEACT STICKER P/N 1F16827-1 NIS CLE INSTALLED TEMP DEACT STICKERS ON ADF AND BFO SWITCHES. DUE TO WATER DAMAGE INCURRED ON F/O RMP PERFORMED LAND VERIFY TEST REF MM TASK 22-97-00-710-001-A. TEST OK. AIRCRAFT MAINTAINS FULL AUTOLAND CAPABILITY. NO PLACARD IS INSTALLED

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