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SDR AALA202402270569

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Service difficulty report · Display · Boeing 737823

FAA SDR system

Difficulty date
February 25, 2024
Submitted
February 27, 2024
Operation
Air carrier
Aircraft
N971AN
Make and model
Boeing 737823
Aircraft serial
29547
Aircraft time
61,602 hours, 26,275 cycles
System (JASC)
3421 · Attitude Gyro and Indicating System
Part
Display
Part number
CG1135AC03
Condition
Faulty
Location
Adiru
Stage of operation
TO
How discovered
O
Nature of condition
G
Precautionary procedure
A

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

What was found

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: BOTH IRS FAILED AFTER TAKEOFF, AIRCRAFT RETURN TO AND LANDED SAFELY AT MBJ. **SUPPLEMENTAL REPORT FOR (AALA202402269798): REMOVED AND REPLACED (ADIRU) AIR DATA INERTIAL REFERENCE LEFT (AALA202402269798) AND (ADIRU) AIR DATA INERTIAL REFERENCE RIGHT (AALA202402276369), PER AMM 34-21-01. ALL REQUIRED TEST PASSED. REMOVED AND REPLACED ISDU (AALA202402270569), PER AMM 34-21-02. ALL REQUIRED TESTS PASSED**(CLOSED).