As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EFIS COMP MON MESSAGE ''ALT''. RETURNED TO DFW.PURGED PITOT STATIC SYSTEM IAW MM 34-11-00-100-807. REMOVED AND REPLACED #1 AND #2 ADC'S IAW MM 34-13-01. PITOT STATIC CHECK C/W IAW MM 34-13-00-730-001. LEAK CHECK IAW MM 34-11-00-790-801.#1 S/N ON: 1104 S/N OFF: 1810#2 S/N ON: 1594 S/N OFF: 2014