Service difficulty report · Indicator · Boeing 727224

Difficulty date
May 6, 2004
Submitted
May 10, 2004
Operation
Air carrier
Aircraft
N746DH
Make and model
Boeing 727224
Aircraft serial
22252
Part
Indicator
Condition
Malfunctioned
Location
Cockpit
Stage of operation
TO
How discovered
O
Nature of condition
J
Precautionary procedure
C

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

What was found

MACH AIRSPEED WARNING ACTIVATED AT 90 KTS DURING TAKE-OFF ROLL. T/O REJECTED AT 110 KTS, 145.200 TOW, TEMP +19 C, PA 100', RWY 36L, AND BRAKE ENERGY CAUTION ZONE. TRANSFERRED TO DMI NR 16523 IAW ASTAR MEL 34-4-3 MACH AIRSPEED WARNING SYSTEM DEACTIVATED FOR FLIGHT. REF. DMI NR 16523 (MACH AIRSPEED WARNING ACTUATED AT 90 KTS. DURING TAKE-OFF ROLL. T/O REJECTED AT 110 KTS, 145,000 TOW, TEMP +19 C, PA 100', RWY 36L, AND BRAKE ENERGY "CAUTION ZONE".) REMOVED AND REPLACED F/O'S MACH AIRSPEED INDICATOR, PERFORMED ADJUSTMENT/TEST (PITOT STATIC TEST) IAW B-M/M 34-14-0 PAGE 501. SYSTEM OPS NORMAL. NO LEAKS NOTED. THIS CLEARS DMI NR 16523. PLACARDS REMOVED.