What was found
CAPT ALTIMETER READ 250 FT LOW AT FL310. VERIFIED BY INS AND ATC GROUND READOUT. REMOVED AND REPLACED CAPT UPPER LT PITOT STATIC PROBE IAW AMM 34-13-01. PERFORMED PITOT STATIC LEAK CHECK, SYSTEM OPS CHECK GOOD. (K)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CAPT ALTIMETER READ 250 FT LOW AT FL310. VERIFIED BY INS AND ATC GROUND READOUT. REMOVED AND REPLACED CAPT UPPER LT PITOT STATIC PROBE IAW AMM 34-13-01. PERFORMED PITOT STATIC LEAK CHECK, SYSTEM OPS CHECK GOOD. (K)