Cessna 172 Skyhawk SERIES, Руководство по обслуживанию

Страница: 156 / 167

CESSNA AIRCRAFT COMPANY
SINGLE ENGINE
STRUCTURAL REPAIR MANUAL
FLAPS AND AILERONS
1. General
A. Each wing fl ap assembly is constructed of a spar, ribs, upper and lower skins and leading edge skin.
B. Each aileron assembly is constructed of a single spar, ribs, upper and lower skin. Balance weights
are installed in the lower inboard leading edge and are retained with screws.
C. Flight control surfaces which have been repaired or replaced must be balanced in accordance with
procedures outlined in Chapter 51, Flight Control Surface Balancing.
2. Damage Criteria
A. Damage to the fl aps and ailerons can be divided into three major categories and is detailed in Wing
Damage Classi fi cation.
3. Flap and Aileron Repair
A. Skin damage, exceeding that considered negligible, that can be repaired with minor patches can be
considered repairable. Flush skin patches are illustrated in Chapter 51, Typical Skin Repairs, Figure
801. A typical rib repair is illustrated in Chapter 51, Control Surface Repair, Figure 801, trailing edge
repair in Chapter 51, Control Surface Repair, Figure 802, are typical
fl ap and aileron repairs.
B. Flight control surfaces which have been repaired or replaced must be balanced in accordance with
procedures outlined in Chapter 51, Flight Control Surface Balancing.
57-40-00
Page 801
© Cessna Aircraft Company
Jun 1/2005