FAA Advisory Circular 43.13-1B
Acceptable Methods, Techniques, and Practices
Aircraft Inspection and Repair
AC 43.13-1B | 12. Aircraft Avionics Systems | 4. Pitot/Static System | 12-63. Troubleshooting the Pitot/Static Pressure System
9/27/01
(1) Check for clogged lines. Drain
lines at the valves (especially after aircraft has
been exposed to rain). Disconnect lines at the
instruments and blow them out with
low-pressure air.
(2) Check lines for leaks or looseness
at all connections. Repair as required.
b. If the pitot heating element(s) are
operative, check the following:
(1) Are circuit breaker(s) tripped?
(2) Reset the circuit breaker to deter
mine if:
(a) The system is OK, or
if so: (b) The circuit breaker trips again,
1. Check the wiring continu
ity to the ground. If the switch(s) is defective,
repair as necessary.
2. Check the heating element;
replace it if it is defective.
12-64.12-69. [RESERVED.]
AC 43.13-1B CHG 1
Par 12-57
Pages 12-23 (and 12-24)