SDR SWIA200210547

Service difficulty report · Comparator · Emb EMB120ER

Difficulty date: January 5, 2002
Submitted: January 18, 2002
Operation: Air carrier
Aircraft: N229SW
Make and model: Emb EMB120ER
Aircraft serial: 120305
Aircraft time: 15,593 hours, 21,956 cycles
System (JASC): 3425 · Integrated Flight System
Part: Comparator
Condition: Faulty
Location: Nr 2
Stage of operation: CR
How discovered: O
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

DURING FLIGHT, ATT DISPLAY ON MAP CAME ON. A/P DISCONNECTED, GYRO AND COMPUTER FLAGS ON COPILOT'S ADI, HDG FLAG ON COPILOT'S HSI. AFTER A/P DISCONNECT FLAGS WENT AWAY, BUT DURING TURNS F/O'S ATT IND STAYED STRAIGHT AND LVL. F/O COMMAND BARS SHOW BELOW AIRPLANE SYMBOL. REPLACED NR 2 AHC85 WITH SERVICEABLE UNIT. OPS CHECK GOOD ON TAXI. S/N OFF: 2731.

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