What was found
ILS INDICATION COMES ON & OFF, ON F/O ADI WITHOUT AN ILS FREQUENCY SELECTED AT FL290 & FL 350 F/O AND CAPTAINS ALTIMETERS EXCEEDED RVSM LIMITATIONS. NO ILS INDICATIONS ON F/O AND CAPT SIDE ON ILS FREQ SELECTED FOR APPROACH (ON ID HEARD VOICE - NO MORSE CODE). T/S PER FIM 34-31-00 FIG 104, FOUND ILS TEST PANEL AT FAULT R & R ILS TEST PANEL PER MM 34-31-02 ALL OPS OK, ACCOMPLISHED FLUSH OF S1 LT UPPER, RT LOWER & S1 RT UPPER, LT LOWER PITOT STATIC SYS TO ADC1 & ADC2 PER MM 34-11-00. R & R F/O PITOT PROBE (RT TOP) PER MM 34-11-01. R & R CAPT'S PITOT PROB (LT TOP) PER CAPT'S AOA PRBE AS PER MM 34-12-03 UPON COMPLETION OF ALL WORK PERFORMED FULL TEST RANGE LEAK TEST IAW 34-11-00. NO LEAKS NOTED.