As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING GEAR RETRACTION AT EGE, HEARD A VERY LOUD BANG FROM NOSE WHEEL AREA ACCOMPANIED BY WHEEL ROTATION SOUNDS. GEAR RETRACTION AND EXTENSION NORMAL. REPLACED LEFT EMEREGNCY LOWERING GEAR ASSISTING ARM ASSY. RETRACTED GEAR, FREE FALL OPS CHECKED GOOD. CLOSED NLG DOORS AND SAFTIED AND RII'D. (M)