NTSB Identification: DCA87MA024.
The docket is stored on NTSB microfiche number 33031.
Accident occurred Wednesday, April 08, 1987 in TRAVIS AFB, CA
Probable Cause Approval Date: 10/10/1988
Aircraft: LOCKHEED L-382G, registration: N517SJ
Injuries: 5 Fatal.

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

CRASHED IN STEEP LEFT TURN DRG GO-AROUND AFTER BALKED LANDING. INSTRUCTOR TOOK CONTROLS AND INITIATED GO-AROUND AFTER STUDENT LNDD IN IMPROPER ATTITUDE. ENGINES NUMBER 1 & 2 FAILED TO RESPOND WHEN THROTTLES ADVANCED. BOTH ENGINES DECELERATED. AIRSPEED DECREASED DURING GO-AROUND. FLAPS WERE RETRACTED CAUSING REDUCTION IN HYD PRESSURE. INSTRUCTOR UNABLE TO MAINTAIN VMC SPEED, LOST CONTROL. ACFT DESTROYED BY POSTCRASH FIRE. AIRFIELD PERIMETER FENCE DMGD. TEARDOWN AND TESTING REVEALED HEAVY ACCUMULATION OF OIL/TAR RESIDUES ON BLEED VALVES AND THROUGHOUT ENGINES NUMBER 1 & 2 COMPRESSORS, LIMITING ABILITY OF ENGINES TO RESPOND TO THROTTLE MOVEMENT. HISTORY OF RECENT ENGINE AND PROPELLER OIL LEAKS. NO RECORD OF ENGINE WASHES AFTER LEAKS, ALTHOUGH REQUIRED BY MAINTENANCE PROCEDURES. FOR FURTHER INFORMATION, SEE SUMMARY REPORT NTSB/AAR-88/03/SUM.

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

COMPRESSOR ASSEMBLY..CONTAMINATION

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

MAINTENANCE..INADEQUATE..COMPANY MAINTENANCE PERSONNEL

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

COMPRESSOR ASSEMBLY..FAILURE,PARTIAL

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

FLUID,OIL..OTHER


Contributing Factors

AIRCRAFT PERFORMANCE,TWO OR MORE ENGINES..FAILURE,PARTIAL


Contributing Factors

GO-AROUND..CONTINUED..PILOT IN COMMAND


Contributing Factors

RAISING OF FLAPS..IMPROPER


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