SDR MTNA20201231001

Service difficulty report · Attach Fitting · Aerosp ATR42320

Difficulty date: December 31, 2020
Submitted: January 5, 2021
Operation: Air carrier
Aircraft: N907FX
Make and model: Aerosp ATR42320
Aircraft serial: 286
Aircraft time: 27,826 hours, 30,065 cycles
System (JASC): 5343 · Fuselage, Landing Gear Attach Fittings
Part: Attach Fitting
Part number: S53578400004
Condition: Cracked
Location: Mlg Actuator
Stage of operation: CR
How discovered: 9
Nature of condition: J
Precautionary procedure: H

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

What was found

DURING CRUISE FLIGHT, HEARD A LOUD BANG, WITH LEFT LANDING GEAR SHOWING RED UNSAFE INDICATIONS ON BOTH PRIMARY AND SECONDARY INDICATIONS. PERFORMED CHECKLIST AND COMPLETED FLIGHT WITH THE LANDING GEAR DOWN. MAINTENANCE FOUND THE LT MLG ACTUATOR ATTACH BRACKET CRACKED LOOSE FROM THE AIRFRAME.

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