Operation In High Salt Or Humidity Environment - Piper Cheyenne IIIA Airplane Maintenance Manual

PIPER AIRCRAFT
PA-42-720 (Advanced Trainer)
MAINTENANCE MANUAL
B. Special or Unusual Condition Inspection (continued)
2. Operation in High Dust or Industrial Pollution (continued)
Item
Inspection
CAUTION: CHECK THAT LINES ARE DISCONNECTED FROM SYSTEM.
Pitot/Static system
Check for obstruction. Reverse
flow to lines.
Landing Gear Up and
Clean, inspect and lubricate (Refer to l2-10-00)
Down Lock Assemblies.
Landing Gear Actuators
Inspect and clean.
and Oleos.
Landing Gear wheel
Clean, inspect and repack.
Bearings.
Windows.
Inspect for cracks, erosion, visibility
and cleanliness.
3. Operation in High Salt or Humidity Environment
Item
Inspection
Fuselage, Empennage
Remove floor panels and exterior
and Wings.
access plates; inspect for corrosion.
Landing Gear.
Inspect for corrosion and lubrication;
switches and wiring for condition.
Engines.
Perform desalinization and wash. (Refer to
D
latest Pratt & Whitney Field Note No. 956).
Instruments and Wiring.
Inspect for proper seal of cases and
corrosion.
Interior.
Inspect upholstery, seat belts, seats and
rugs for corrosion and integrity.
Inspection Interval
100 Hours or
as required.
100 Hours.
100 Hours.
100 Hours.
Daily.
nspectlon Interval
200 Hours.
200 Hours.
Daily or as required.
100 Hours.
100 Hours.
EFFECTIVITY:
040-999
5-50-00
PAGE 7
5-50-00
Jan 10/90