SDR HALA2011092000409

Service difficulty report · Warning Light · Boeing 7673CB

Difficulty date: September 20, 2011
Submitted: September 21, 2011
Operation: Air carrier
Aircraft: N588HA
Make and model: Boeing 7673CB
Aircraft serial: 33466
Aircraft time: 34,458 hours, 6,400 cycles
System (JASC): 3030 · Pitot/Static Anti-Ice System
Part: Warning Light
Condition: False Indication
Location: Pitot Heat
Stage of operation: CL
How discovered: O
Nature of condition: N
Precautionary procedure: A

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

What was found

ETOPS SIGNIFICANT SYS - ATB - EICAS MESSAGE "PROBE HEAT", LT AUX PITOT, F/O PITOT, TAT, LT EEC ALT LIGHTS ILLUMINATED. UNABLE TO DUPLICATE FAULTS ON GROUND. REPLACED RELAYS K514, K522,K528, K643, AND K645. OPS CHECK OF THE PITOT STATIC PROBE HEAT SYS AND TAT PROBE HEAT SYS, OPS CHECKED OK IAW AMM 30-31-00 AND 30-33-00.

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