What was found
AIRSPEED DISAGREE, RAN NON NORMAL CHKLST, SUSPECT FROZEN PITOT TUBE, FO SIDE IAW AMM 34-11-01, PERFORMED INSP OF FO SIDE PITOT PROBES. DID NOT FIND ANY ABNORMALITIES. ALL 3 PITOTS BEGAN WARMING UP WITH SWITCH. T/S IAW FIM 31-62, TASK 876. FOUND FAULTS 31-65060 & 31-65050, AIRSPEED DISAGREE, ALTITUDE DISAGREE. ACCOMPD STEP E. EVALUATION, NO FINDINGS. ACCOMPD PITOT STATIC SYS FLUSHING IAW AMM 34-11-00-170-802, RT STATIC & LT & RT PITOT SYS FLUSHING WITH NO FINDINGS. PITOT & STATIC LEAK CHKD GOOD. ACCOMPD STEPS. F(2)(3)(5). DURING RESISTANCE CHK, FOUND RT UPPER F/O PROBE WITH 7 OHMS, ON REMOVAL OF PROBE, RESISTANCE OPS CHKD GOOD AT 48 OHMS. WIRING CHKS BTWN PROBE & OVERHEAD PANEL, NO SHORTS TO GRND WITH GOOD CONTINUITY IAW WDM 30-31-12-4. REPLACED F/O PITOT PROBE, PERFORMED INSTALL UP TO STEP F7 IAW AMM 34-11-01. PERFORMED INSTALL TEST OF F/O PITOT PROBE. OPS CHKD GOOD. APPLIED FILET SEAL TO BASE PLATE IAW AMM 34-11-01.