Narrative:

After selecting the landing gear up; the landing gear doors opened but the landing gear did not retract. We received multiple ECAM cautions simultaneously at this point:engine 1 reverser faultl/G doors not closedl/G gear not uplockedbrakes a/skid north/ws faultanti ice first officer pitotwe informed ATC that we wished to delay our climb and departure while we worked on the non-normal indications. We requested and were cleared to maintain 4000 feet and were cleared to hold.we proceeded to methodically work through each ECAM item and were able to clear all cautions except for the reverser fault which remained on for the remainder of the flight. The brakes/anti-skid/steering fault was cleared by cycling the a/skid & north/west strg switch.we had a pilot on the jump seat for this flight. I asked him to check for popped circuit breakers and he did not find any.with all indications normal (with the exception of the reverser fault); we continued on to [destination].enroute; I contacted dispatch and maintenance using the ipad crew phone app. I asked maintenance if there was some overall issue which could have caused the multiple ECAM cautions. Maintenance suggested a possible lgciu (landing gear control unit interface) issue. We discussed the possibility of returning to [departure airport] or diverting for potential maintenance follow-up; but decided to continue for passenger convenience and maintenance.upon gear extension for landing; we received another ECAM caution: brakes altn brk fault. This ECAM caution has no ECAM action associated with it. We made a normal landing.after landing; we received two more ECAM cautions: left/G system disagree and brakes-north/ws minor fault.we taxied to the gate normally and shut down. When the mechanic arrived at the aircraft we described what had happened. He printed a maintenance post flight report which included two maintenance status messages which we had not displayed during the flight: engine 1 eiu and AC genadditionally; multiple failure messages were included on the post flight report:no ADF 1 datacheck lgciu disc inputsr left/G ext proximity snsr 20GA tgt postachometer(21GG)/bscu(10GG)tachometer(21GG)/bscu(10GG)tachometer(22GG)/bscu(10GG)tachometer(20GG)/bscu(10GG)eiu; lgciu(wow) ENG1BTACHOMETER(19GG)/bscu(10GG)tachometer(22GG)/bscu(10GG)tachometer(20GG)/bscu(10GG)tachometer(19GG)/bscu(10GG)lgciu(5ga1)/GCU2(1xu2)lgciu(5ga1) right shock absorb signal/bscu(10GG)abcu(95GG)/brk altn press transducer(100GG)abcu(95GG) dc sply 401PPCHECK LGCIU2 disc inputs

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Original NASA ASRS Text

Title: A320 flight crew reported several landing gear ECAM Cautions; both in flight and after landing.

Narrative: After selecting the landing gear up; the landing gear doors opened but the landing gear did not retract. We received multiple ECAM cautions simultaneously at this point:ENG 1 REVERSER FAULTL/G DOORS NOT CLOSEDL/G GEAR NOT UPLOCKEDBRAKES A/SKID N/WS FAULTANTI ICE F/O PITOTWe informed ATC that we wished to delay our climb and departure while we worked on the non-normal indications. We requested and were cleared to maintain 4000 feet and were cleared to hold.We proceeded to methodically work through each ECAM item and were able to clear all cautions except for the reverser fault which remained on for the remainder of the flight. The brakes/anti-skid/steering fault was cleared by cycling the A/SKID & N/W STRG switch.We had a pilot on the jump seat for this flight. I asked him to check for popped circuit breakers and he did not find any.With all indications normal (with the exception of the reverser fault); we continued on to [destination].Enroute; I contacted Dispatch and Maintenance using the iPad Crew Phone app. I asked Maintenance if there was some overall issue which could have caused the multiple ECAM cautions. Maintenance suggested a possible LGCIU (Landing Gear Control Unit Interface) issue. We discussed the possibility of returning to [departure airport] or diverting for potential maintenance follow-up; but decided to continue for passenger convenience and maintenance.Upon gear extension for landing; we received another ECAM caution: BRAKES ALTN BRK FAULT. This ECAM caution has no ECAM action associated with it. We made a normal landing.After landing; we received two more ECAM cautions: L/G SYS DISAGREE and BRAKES-N/WS MINOR FAULT.We taxied to the gate normally and shut down. When the mechanic arrived at the aircraft we described what had happened. He printed a maintenance post flight report which included two maintenance status messages which we had not displayed during the flight: ENG 1 EIU and AC GENAdditionally; multiple failure messages were included on the post flight report:NO ADF 1 DATACHECK LGCIU DISC INPUTSR L/G EXT PROX SNSR 20GA TGT POSTACHOMETER(21GG)/BSCU(10GG)TACHOMETER(21GG)/BSCU(10GG)TACHOMETER(22GG)/BSCU(10GG)TACHOMETER(20GG)/BSCU(10GG)EIU; LGCIU(WOW) ENG1BTACHOMETER(19GG)/BSCU(10GG)TACHOMETER(22GG)/BSCU(10GG)TACHOMETER(20GG)/BSCU(10GG)TACHOMETER(19GG)/BSCU(10GG)LGCIU(5GA1)/GCU2(1XU2)LGCIU(5GA1) RIGHT SHOCK ABSORB SIGNAL/BSCU(10GG)ABCU(95GG)/BRK ALTN PRESS TRANSDUCER(100GG)ABCU(95GG) DC SPLY 401PPCHECK LGCIU2 DISC INPUTS

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.