TM 55.1510-220-10 8-14.  LEFT WING, AREA 1. 1. Left wing area Check as follows (fig.  81): *a. General  condition  Check  for  skin  damage such as buckling, splitting, distortion, dents, or fuel leaks. b. Flaps Check for full retraction (approximately   0.25   inch   play)   and   skin damage such as buckling, splitting, distortion, or dents. c. Fuel sump drains (3) Check for leaks. d. Controls    and    moveable    trim    tab    Check security and moveable trim tab position. NOTE All     static     wicks     (24)     must     be installed for optimum radio performance. e. Static wicks (4) Check security and condition. f. Wing  pod,  navigation  lights  and  antennas  Check condition. g. Recognition light Check condition. h. Outboard antenna set Check condition. i. Main tank fuel and cap Check fuel level visually, condition   of   seal,   and   cap   tight   and   properly installed. j. Outboard wing fuel vent Check free of obstructions. k. Outboard  deice  boot  Check  for  secure  bonding, cracks,   loose   patches,   stall   strips,   and   general condition. l. Stall warning vane Check free. m. Tiedown Release. n. Inboard    dipole    antenna    set    Check    for security   and   cracks   at   mounting   points. Check  bonding  secure,  boots  free  of  cuts and cracks. o. Wing ice light Check condition. p. AC GPU access door Secure. q. Recessed and heated fuel vents Check free of obstructions. r. Inverter   inlet   and   exhaust   louvers   Check free of obstructions. 8-15.  LEFT MAIN LANDING GEAR. 1. Left main landing gear Check as follows: a. Tires  Check  for  cuts,  bruises,  wear,  proper inflation and wheel condition. b. Brake    assembly    Check    brake    lines    for damage  or  signs  of  leakage,  brake  linings for   wear   (0.25   inch   maximum,   between housing   and   lining   carrier),   brake   device assembly  and  bleed  air  hose  for  condition and security. c. Shock   strut   Check   for   signs   of   leakage, minimum strut extension (5.50 inches), and that     left     and     right     strut     extension     is approximately equal. d. Torque knee Check condition. e. Safety   switch   Check   condition,   wire,   and security. f. Fire  extinguisher  pressure  Check  pressure within limits. g. Wheel  well,  doors,  and  linkage  Check  for signs  of  leaks,  broken  wires,  security,  and general condition. h. Fuel sump drains (forward) Check for leaks. 8-16.  LEFT ENGINE AND PROPELLER. 1. Left engine Check as follows: CAUTION A  cold  oil  check  is  unreliable.    Oil should be checked within 10 minutes  after  stopping  engine.    If more than 10 minutes have elapsed, motor engine for 30 seconds,   then   recheck.      If   more than   10   hours   have   elapsed,   run engine for 2 minutes, then recheck. Add oil as required.  Do not overfill. *a. Engine oil Check oil level no more than 2 quarts low, cap secure, locking tab aft, and access door locked. 8-5