PIPER AIRCRAFT, INC.
PA-28-161, WARRIOR III
MAINTENANCE MANUAL
PAGE 1
Nov 30/06
1D13
5-30-00
SPECIAL INSPECTIONS
WARNING: FAILURE TO CONSULT APPLICABLE VENDOR PUBLICATION(S), WHEN SERVICING
OR INSPECTING VENDOR EQUIPMENT INSTALLED IN PIPER AIRCRAFT, MAY
RENDER THE AIRCRAFT UNAIRWORTHY. (SEE INTRODUCTION - SUPPLEMENTARY
PUBLICATIONS.)
The following inspections are required in addition to those listed in 5-20-00. These inspections are required at
intervals of:
A. Flight hours;
B. Calendar Year; or
C. the specific operation being conducted or the environment being operated in.
Unless otherwise indicated, these inspections are to be repeated at each occurrence of the specified interval.
Note that the items listed herein are guidelines based on past operating experience. Each operator should
closely monitor his own unique operating conditions/environment and react accordingly to keep his aircraft
airworthy.
NOTE: A log book entry should be made upon completion of any inspections.
1. P
er Flight Hour
Each 200 Hours
For aircraft 10 years old or older, conduct the following special inspection each 200 hours: Inspect the
interior of the wing flap for evidence of dissimilar metal corrosion where aluminum sheet metal is in
contact with steel flap brackets. Use a bore scope or other suitable tool. Installation of a new wing flap
will relieve this inspection requirement until such time as the replacement wing flap reaches ten years
time-in-service.
Each 400 Hours
At every 400 hours of engine operation, remove the rocker box covers and check for freedom of valve
rockers when valves are closed. Look for evidence of abnormal wear or broken parts in the area of the
valve tips, valve keepers, springs, and spring seats. If any indications are found, the cylinder and all of its
components must be removed (including the piston and connecting rod assembly) and inspected for
further damage. Replace any parts that do not conform with limits shown in the latest revision for Textron
Lycoming Service Table of Limits SSP-1776.
Each 500 Hours
For airplanes equipped with Airborne engine-driven vacuum pumps, replace at 500 hours time-in-service.
For airplanes equipped with Aero Accessories engine-driven vacuum pumps, beginning at 500 hours
time-in-service, and each 100 hours thereafter, inspect vacuum pump vane wear per Vacuum Pump(s),
Inspection, 37-10-00.
If installed, the auxiliary vacuum pump/motor assembly must be removed from service and replaced at
500 hours operating time as indicated on the elapsed time indicator, or at 10 years of installed time in
the aircraft, whichever comes first.
Remove and flush oil radiator.
Inspect magneto(s) distributor block for cracks, burned areas or corrosion.
If installed, replace central air filter (vacuum system).
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