What was found
A/C POS AT (TAXIWAY A/RWY34) HOLD SHORT LINE WITH PKG BRK SET. RELEASED BRK, ATTEMPTED TO TAXI FOR T/O A/C WON'T MOVE. PKG BRK RESET GOT PERMISSION FROM TOWER TO POWER UP. RELEASED PKG AGAIN. POWERED UP TO 45 PERCENT N1/NO MOVEMENT OF A/C. (MX)TOWED A/C BACK TO GATE, NO PROBLEMS. IE PKG BRK RELEASED NORM. PKG BRK ADJ/TEST C/W. TOWED BACK TO GATE. PKG BRK FUNCTIONAL NORM, AFTER RE-CYCLING BRK HANDLE SEVERAL TIMES ON GATE CARRIED OUT PKG BRK/ULTIMATE EMERG BRAKING. OPS TEST PER MM 32-45-00-5. NO FAULTS FOUND, CHECKS SERVICEABLE. CYYC AIRPORT OPS SENT MX INSPECTOR TO CK FOR SOFT AREA (CONCRETE BASE/ASPHALT OVERLAY). NO DAMAGE.