SDR 95ZZZX5619

Service difficulty report · Switch · Beech F33A

Difficulty date: September 20, 1995
Submitted: March 26, 2000
Operation: General aviation
Aircraft: N224AB
Make and model: Beech F33A
Aircraft serial: CE1680
System (JASC): 3420 · Attitude and Direction Data System
Part: Switch
Part number: A1S24035
Condition: Failed
Location: Cockpit
Part time: 3 hours
Component: Avioninst
Stage of operation: IN
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

REMOTE SWITCH UNIT USED FOR GPS/NAV TRANSFER INTERNAL RELAY BANKS, FAILED. INTERNAL K2, K3, AND K4 RELAY BANKS FAILED IN THE CLOSED POSITION AND K5 BANK FAILED IN NEUTRAL POSITION. THIS FAILURE CAUSES THE NAV 1 HSI INDICATOR TO DISPLAY ERRONEOUS INFORMATION.

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