What was found
ABORTED TAKEOFF AT 90 KNOTS DUE TO MACH AIRSPEED WARNING. *S/D* MAINTENANCE REPLACED THE NR 1 MACH AIR SPEED WARNING SWITCH. NO FURTHER PROBLEMS REPORTED.
- Difficulty date
- July 6, 1999
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N7441U
- Make and model
- Boeing 727222
- Aircraft serial
- 21895
- Engine
- Pwa JT8D15
- System (JASC)
- 3414 · Airspeed/Mach Indicator
- Part
- Switch
- Part number
- B070710007
- Condition
- Failed
- Location
- E&E Bay
- Component
- Lear Seigler
- Stage of operation
- TO
- Nature of condition
- J
- Precautionary procedure
- C, D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.