- Difficulty date
- October 5, 2006
- Submitted
- October 6, 2006
- Operation
- Air carrier
- Aircraft
- N746DH
- Make and model
- Boeing 727224
- Aircraft serial
- 22252
- Engine
- Pwa JT8D15
- Part
- Indicator
- Condition
- Malfunctioned
- Location
- Airspeed
- 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
AT BEGINNING OF TAKE-OFF ROLL, TAKE-OFF THRUST SET, MACH AIRSPEED WARNING SOUNDED. INDICATED AIRSPEED LESS THAN 60 KTS. REMOVED AND REPLACED FO'S MACH AIRSPEED INDICATOR IAW B727 MMS CH 34-12-21. TESTS GOOD. PITOT/STATIC TEST GOOD IAW B727 MMS 34-11-00. REMOVED AND REPLACED AURAL WARN BOX. AURAL WARNING BOX CHECKS GOOD IAW B727 MM CH 31-26-00.