SDR 98ZZZX1613

Service difficulty report · Droop Stop · Doug MD900

Difficulty date
April 9, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N900LF
Make and model
Doug MD900
Aircraft serial
90000022
Part
Droop Stop
Part number
900R2100001103
Condition
Cracked
Location
M/R Head
Part time
778 hours
Stage of operation
IN
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

DURING 100-HOUR SPECIAL INSPECTION OF MAIN ROTOR HEAD, 4 EACH, DROOP STOP SUPPORT BRACKETS WERE FOUND CRACKED COMPLETELY THROUGH AT BOLT ATTACHMENT POINT SECURING BRACKET TO MAIN ROTOR HEAD. IF DROOP STOP SUPPORT WERE TO DEPART AIRCRAFT, MAIN ROTOR BLADE WOULD CONTACT TAIL BOOM. MANUFACTURER SHOULD NOTIFY OPERATOR OF POSSIBLE CRACKING AND INCREASE INSPECTION INTERVAL.

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