TM 1-1520-238-23
5-232.3/(5-232. 4 blank)
Change 8
5.52.
TAIL ROTOR BLADE REPAIR CRITERIA
5.52.1. Description
This task covers:
Repair Criteria.
5.52.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
Personnel Required:
67R
Attack Helicopter Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
WARNING
FLIGHT SAFETY PART
The tail rotor blade is a flight safety part. Failure to follow maintenance instructions may result
in serious injury or death of crewmembers and/or serious damage to the helicopter.
5.52.3. Repair Criteria
a. The tail rotor blade repair criteria provide inspection and repair information for the rotor blades.
b. The instructions for inspection are presented in tabular form.
(1) Table 5-5 provides repair limits for scratches, nicks, gouges, corrosion, debonding, delaminations, and
voids.
(2) Table 5-6 provides limits for dents and depressions.
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