Service difficulty report · Adc · Boeing 76734AF

Difficulty date
February 7, 2019
Submitted
February 11, 2019
Operation
Air carrier
Aircraft
N305UP
Make and model
Boeing 76734AF
Aircraft serial
27243
Aircraft time
58,151 hours, 19,622 cycles
Part
Adc
Condition
Malfunctioned
Location
Right
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

DIVERSION - AT FL 300 IAS DISAGREE EICAS MSG L A/S 308 RT A/S 927 AND DECREASING STANBY A/S AT 240 RUDDER RATIO AILERON LOCKOUT EICAS MESSAGES FOLLOWED STALL WARNING ACTIVATION 5 OR 6 TIMES A FEW MINUTES LATER L/R EEC MODE EICAS MESSAGESPERFORMED PITOT STATIC LEAK CHECK IAW 34-11-00 NO FAUILTS FOUND INSPECTED PITOT DRAINS ALL ARE CLEAR REPLACED RH ADC IAW 34-12-01 OPS CHECK GOOD A/C OK FOR SERVICE ESR: 34-12-01-01A

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