Service difficulty report · Adiru · Airbus A319115

Difficulty date
October 29, 2023
Submitted
November 1, 2023
Operation
Air carrier
Aircraft
N422AV
Make and model
Airbus A319115
Aircraft serial
4200
Aircraft time
41,290 hours, 20,061 cycles
Engine
Cfmint CFM565B7
Engine time
13,536 hours, 8,588 cycles
Part
Adiru
Part number
HG2030AE23
Part serial
56024199
Condition
Fault Message
Location
Unknown
Stage of operation
TO
How discovered
V
Nature of condition
J
Precautionary procedure
L

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

What was found

LOSS OF ALTIMETER 1 DURING TAKE OFF RUN BY FAULT MSG " LOSS OF THE FCU DATA INPUT BUS ON THE ADIRU1" IN ACCORDANCE WITH TSM: 34-13-00-810-921-A THE SYSTEM TEST OF THE ADR (SYS 1) WAS PERFORMED, TEST OK. BY TSM TASK: 34-13-00-810-921-A - ASM FIG: 34-13-02 SCH 02 - AWM FIG: 34-11-15 P0001 THE WIRING CHECK BY CONTINUITY OF THE DIGITAL BARO CORRECTION A BUS FROM ADIRU1(1FP1) PINS 15G AND 15F CONNECTOR A TO THE FIRST TERMINAL BLOCK 1851VT MODULE 41 PIN-P AND MODULE 42 PIN-U, WAS PERFORMED; THE WIRING CHECK WAS FOUND IN NORMAL CONDITIONS. IN ACCORDANCE WITH AMMTASK 34-13-00-790-002-A THE LEAK MEASURE TEST OF THE PRINCIPAL STATIC AND TOTAL AIR DATA SYSTEM WERE PERFORMED SATISFACTORY NO LEAKS FOUND IN ACCORDANCE WITH AMM 34-12-34-000-001A/400-001A ADIRU #1 WAS REPLACED TEST OPERATIONAL SATISFACTORY.

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