Cessna 172 Maintenance Manual page 136

1. General
A. Front and rear spars are of riveted construction.
2. Damage Classification
A. Damage to the wing spar can be divided into three major categories and is detailed in Wing Damage
Classification.
3. Spar Repair
A. Repairs to the wing spar are illustrated in Figure 801.
CESSNA AIRCRAFT COMPANY
SINGLE ENGINE
STRUCTURAL REPAIR MANUAL
WING SPARS
© Cessna Aircraft Company
57-21-00
Page 801
Jun 1/2005