SDR SRAA109502

Service difficulty report · Freq Relay · Lkheed 382E

Difficulty date: October 3, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N901SJ
Make and model: Lkheed 382E
Aircraft serial: 4299
System (JASC): 2460 · DC Power Distribution System
Part: Freq Relay
Condition: Shorted
Location: Cockpit
Stage of operation: CL
Nature of condition: H
Precautionary procedure: A

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

What was found

MHZ - AFTER TAKEOFF, AIRCRAFT LOST ELECTRICAL POWER TO ESSENTIAL NAVIGATION SYSTEMS FOR THE NR 1 RADAR, OMEGA AND VOR/ILS SYSTEMS. ACCOMPLISHED AIR TURN-BACK TO MHZ AND LANDED SAFELY. INSPECTED WIRING, FOUND NR 2 FREQUENCY RELAY SHORTED AND NR 1 FREQUENCY RELAY CONNECTOR HAD CRIMPED WIRES, REPLACED NR 2 FREQUENCY RELAY AND REPAIRED CRIMPED WIRE ON NR 1 SYSTEM. OPS CHECKED GOOD PER CHAPTER 24. (X)