SDR USAAF97001

Service difficulty report · Hsi · Fokker F28MK4000

Difficulty date: January 9, 1997
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N494US
Make and model: Fokker F28MK4000
Aircraft serial: 11167
System (JASC): 3425 · Integrated Flight System
Part: Hsi
Part number: 6224298001
Condition: Malfunctioned
Location: E/E Compt
Stage of operation: AP
Nature of condition: O
Precautionary procedure: A

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

What was found

FLT 872 - TRI-CLT - EN ROUTE TO CLT, BOTH ILW WERE UNRELIABLE AS WELL AS BOTH VOR NAVS. WEATHER HAD DETERIORATED IN CLT SO CREW DECIDED TO RETURN TO TRI. FLIGHT LANDED AT TRI WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED NR 2 HSI, LEFT AND RIGHT NAV RECEIVERS, AND LEFT AND RIGHT NAV CONTROL HEADS. (M)

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