SDR AALA201704069026

Service difficulty report · Air Data Module · Doug MD83

Difficulty date: April 2, 2017
Submitted: April 6, 2017
Operation: Air carrier
Aircraft: N9681B
Make and model: Doug MD83
Aircraft serial: 53631
Aircraft time: 48,337 hours, 24,296 cycles
System (JASC): 3414 · Airspeed/Mach Indicator
Part: Air Data Module
Part number: 001048101
Part serial: 2103
Condition: Faulty
Location: Cockpit
Stage of operation: CR
How discovered: O
Nature of condition: O
Precautionary procedure: A

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

What was found

ACTIONED AIRSPEED UNRELIABLE CHECKLIST DUE TO MULTI UNRELIABLE AIRSPEED -RELATED INDICATIONS. THE CREW DECLARED AN EMERGENCY AND DIVERTED TO AUS WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE AIR DATA SWITCHING UNIT IAW AMM 34-16-03, OPS CHECKED OK. THE AIRCRAFT WAS GROUNDED. (SEE ALSO SDR'S AALA201704059028, AALA201704069024, AALA201704069025, AND AALA201704069027)

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