NTSB Identification: ATL85MA083.
The docket is stored on NTSB microfiche number 28496.
Nonscheduled 14 CFR operation of GALAXY AIR LINES,INC.
Accident occurred Tuesday, January 29, 1985 in DOBBINS AFB, GA
Aircraft: LOCKHEED 188C, registration: N854U
Injuries: 3 Uninjured.

NTSB investigators traveled in support of this investigation and used data obtained from various sources to prepare this aircraft accident report.

DURING GEAR RETRACTION AFTER TAKEOFF, THE RIGHT MAIN GEAR BECAME JAMMED IN A PARTIALLY RETRACTED PSN & THE RESPECTIVE IN-TRANSIT GEAR LIGHT WOULD NOT EXTINGUISH. ATTEMPTS TO RECYCLE THE GEAR WERE UNSUCCESSFUL. THE FLT CREW DIVERTED TO ATLANTA, GA; THEN DECIDED TO LAND AT DOBBINS AFB, WHERE THERE WAS A LONG, WIDE RWY THAT COULD BE FOAMED. FOAM WAS APPLIED TO APRX 300 FT OF RWY 29. THE ACFT WAS LANDED WITH THE NOSE & LEFT MAIN GEAR EXTENDED & THE RIGHT MAIN GEAR PARTIALLY RETRACTED. SUBSEQUENTLY, THE ACFT VEERED TO THE RIGHT & STOPPED WITH THE NOSE GEAR APRX 70 FT OFF THE RWY. FIRE ERUPTED IN THE AREA OF THE RIGHT MAIN GEAR; HOWEVER, THE FIRE WAS QUICKLY EXTINGUISHED BY FIRE DEPT PERSONNEL. AN INVESTIGATION REVEALED THE CLEARANCE BTN THE MAIN LANDING GEAR DOOR HOOK, PN 803845-1, & THE STRUT ROLLER WAS EXCESSIVE.THE REASON FOR THE IMPROPER CLEARANCE WAS NOT DETERMINED. LOCKHEED SERVICE BULLETIN 88/SB-558 WARNED THAT EXCESSIVE CLEARANCE COMBINED WITH A DROP IN HYDRAULIC PRESSURE, GUST OR MANEUVER COULD RESULT IN THE GEAR JAMMING.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

DOOR,LANDING GEAR..CLEARANCE

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

DOOR,LANDING GEAR..EXCEEDED

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

LANDING GEAR,NORMAL RETRACTION/EXTENSION ASSEMBLY..JAMMED

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

LANDING GEAR,MAIN GEAR..MOVEMENT RESTRICTED




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