Service difficulty report · Longeron · Agusta AW189

Difficulty date
December 9, 2024
Submitted
February 12, 2025
Operation
Air carrier
Aircraft
N326LS
Make and model
Agusta AW189
Aircraft serial
49028
Aircraft time
4,802 hours, 4,983 cycles
Engine
Ge CT72
Engine time
4,802 hours, 2,534 cycles
Part
Longeron
Condition
Cracked
Location
Zone 200
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

AS THIS IS AFTER THE 96-HOUR CRITERIA OF 135.415, THIS SEEMS TO BE A VERY DIFFERENT SITUATION. WE DID NOT KNOW IF WE REPORT WHEN WE GET THE REPAIR INFORMATION FROM AUGUSTA FOR THE 337 OR, IF THEY WOULD GIVE US A LETTER TO CONTINUE OPERATING. THIS AIRCRAFT HAS BEEN GROUNDED SINCE THE DATE OF DISCOVERY. WE ARE STILL WAITING ON THE REPAIR FROM AUGUSTA. BRISTOW GROUP IS THE ONLY OPERATOR IN THE US OPERATING AW1189’S. COUPLE OF 6” CRACKS ON LBL 800 LONGERON AND RBL 550 LONGERON CRACKS REPORTED TO LEONARDO ON PSE/TQ/2024/178882 ON DEC 09, 2024. LH AND RH SIDE'S FUEL COMPARTMENT BEAMS ALSO CRACKED, ALL IN SAME AREA WITH STRUCTURAL LOADING. AS SOON AS WE RECEIVE THE REPAIR FROM AUGUSTA, THE REPAIR WILL BE ACCOMPLISHED AND A 337 WILL BE EXECUTED AND SUBMITTED.

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