Service difficulty report · Autobrake Sys · Boeing 747SP31

Difficulty date
November 22, 2011
Submitted
November 22, 2011
Operation
General aviation
Make and model
Boeing 747SP31
Aircraft serial
21963
Aircraft time
47,169 hours
Part
Autobrake Sys
Part number
26700011
Part serial
DA128
Condition
Intermittent
Location
Mlg
Part time
47,169 hours
Stage of operation
LD
How discovered
O
Nature of condition
S, G
Precautionary procedure
O

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

What was found

DURING LANDING, AUTO BRAKE WAS SELECTED. UPON TOUCHDOWN ALL SIXTEEN (16) MLG WHEELS WERE LOCKED, CAUSING ELEVEN (11) MAIN TIRES TO BLOW. THE CAPTAIN IMMEDIATELY DE-SELECTED AUTO BRAKE UPON RECOGNITION OF FAILURE.

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