Service difficulty report · Transmitter · Doug MD83

Difficulty date
October 17, 2004
Submitted
October 18, 2004
Operation
Air carrier
Aircraft
N861LF
Make and model
Doug MD83
Aircraft serial
49826
Aircraft time
44,954 hours, 28,471 cycles
Engine
Pwa JT8D219
Part
Transmitter
Part number
10000165101
Part serial
1211
Condition
Failed
Location
Nr 1
Part time
12,736 hours, 7,537 cycles
Stage of operation
CR
How discovered
9
Nature of condition
J
Precautionary procedure
O

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

What was found

CAPTAIN REPORTED THAT DURING CRUISE STALL INDICATION FAILURE LIGHTS TURNED ON CONSTANTLY. DURING TEST IT WAS DETECTED THAT COMPUTERS REPORTED TX POS FLAPS AND SYSTEM DIFFERENCE FLAPS FAILURES. AIRCRAFT WAS SENT TO THE HANGAR AND POSITION FLAPS TRANSMITTERS WERE REPLACED IAW MM. DURING OVERNIGHT SERVICE WAS DETECTED DIFFERENCE IN TRANSMITTERS ANGLE ATTACK SIGNAL. BOTH TRANSMITTER ANGLE ATTACKS WERE REPLACED AND STALL COMPUTERS WERE TESTED IAW MM 34-19-00 AND 34-19-01, ALL CORRECT.

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