Service difficulty report · Actuator · Airbus A319131

Difficulty date
August 21, 2023
Submitted
August 23, 2023
Operation
Air carrier
Aircraft
N812UA
Make and model
Airbus A319131
Aircraft serial
850
Aircraft time
75,461 hours, 32,448 cycles
Part
Actuator
Part number
G4000VSVA04
Part serial
AAG18045
Condition
Faulty
Location
Eng#2
Part time
11,367 hours, 5,348 cycles
Stage of operation
DE
How discovered
O
Nature of condition
J, Y
Precautionary procedure
B

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

What was found

ENG 2 COMP ECAMENG 2 FAILACCMOPLISHED INFLIGHTSHUTDOWN. PERFORMED BSI PER TSM 71-00-00-810-809-A STEP 4.D.2.A. NO LIMITING DEFECTS NOTED. NEED TO COMPLETE APPLICABLE TASKS REF TSM 71-00-00-810-809-A FOR TROUBLESHOT #2 ENGINE UP TO D [2] (A) ENG2 STALL ADD EMP: U391056 PERFORMED FULL TROUBLESHOOTING TASK TSM 71-00-00-810-809-A STEP 4.D.4 NO LIMITING DEFECTS NOTED. COMPLETED TASK FOR ENGINE STALL, REF AMM 71-00-00-810-809-A, REF LOG 5510254 FOR VSV R&R AND SHORTED CONNECTORS. REMOVED ENG 2 VSV ACT REF AMM 75-32-41. INSTALLED ENG 2 VSV ACT REF AMM 75-32-41. UP TO OPS CHECKS PARTS USED: 31-7532-9-0002,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1750003 SN OFF 8045. ACTUATOR, VARIA OFF 31-7532-9-0002 8045 ON 31-7532-9-0002 5229 ACTUATOR, VARIA OFF 31-7532-9-0002 8045 ON 0000 UPDATE FINDINGS:FAULTS CAPTURED: "CHB VSV ACT/HC/EEC2 ", REF. TSM 75-30-00-810-846, T/S DATA BITE CONFIRMS FAULT TO BE CLM "SVAL". TSM STEP 4B. C/W WIRING CHECKS TO LVDT CH B AND T/M CH B FOUND CONNECTOR 4022KSD PINS 19/20 SHORTING/ HIGH RESITANCE WITH SHA COMPLETED AMM 75-32-41-400-010-A (VSV ACT R&R) PERFORMED OPS/LEAK CHECKS, OPS CHECK GOOD.KE DOWN OF CONN. & CONNECTOR 4022KSB PINS A/C HIGH RESISTANCE ON SHAKE DOWN OF CONNECTOR. REMOVED & REPLACED CONNECTORS. 4022KSD AND 4022KSB REF. AWM/ASM 73-25-18- WIRING CHK OK. 4012-2 ESN V10290 INFLIGHT SHUT DOWN, ACCOMPLISH AMM TASK 72-00-00-200-021-A0 INSPECTION AFTER ENGINE WINDMILLING. TOMC EMC INSPECTED # 2 ENG MCD''S. NO DEBRIS FOUND. REF L

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