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 Federal Register Information
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DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
Docket No. 81-ASW-67; Amendment 39-4330; AD 82-05-03
Airworthiness Directives; BELL Model 206L and 206L-1 Helicopters
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Preamble Information
AGENCY: Federal Aviation Administration, DOT
DATES: Effective March 30, 1982.
Regulatory Information
82-05-03 BELL: Amendment 39-4330. Applies to Bell Model 206L helicopters, all serial numbers, and 206L-1 helicopters, serial numbers 45154 through 45398, 45400 through 45491, 45493 through 45543, 45545 through 45614, 45616 through 45634, 45636 through 45638, 45643 through 45647, 45649 through 45652, and 45655 through 45657, certificated in all categories (Airworthiness Docket No. 81-ASW-67).
Compliance is required as indicated, unless previously accomplished.
To prevent possible failure of the horizontal stabilizer, accomplish the following, in accordance with Bell Helicopter Textron Alert Service Bulletin (ASB) 206L-81-23, Revision A, dated October 23, 1981, or FAA approved equivalent.
a. Remove horizontal stabilizer assemblies, P/N 206-704-143-105, -113, and -131, from service within 25 hours' time in service after March 31, 1982, and replace with a serviceable stabilizer.
b. Inspect horizontal stabilizer assemblies, P/N 206-023-119-011, -075, -107, and - 113, and P/N 206-961-439-003, in accordance with paragraph B1 of Accomplishment Instructions of ASB 206L-81-23, Revision A, or FAA approved equivalent, within 25 hours' time in service after March 31, 1982.
c. Remove horizontal stabilizer assemblies, P/N 206-023-119-011, -075, -107, and - 113, and P/N 206-961-439-003, that do not meet the inspection criteria for modification within 25 hours' time in service after March 31, 1982, and replace with a serviceable stabilizer.
d. Modify horizontal stabilizer assemblies, P/N 206-023-119-011, -075, -107, and - 113, and 206-961-439-003, that meet the inspection criteria for modification, at one of the approved service centers listed in ASB 206L-81-23, Revision A, or remove from service within 25 hours' time in service after March 31, 1982, and replace with a serviceable stabilizer.
e. A serviceable horizontal stabilizer assembly (reference page 5 of ASB 206L-81- 23) is one which is marked with modified P/N 206-704-040-003, -011, -075, -107, or -113, or current production P/N 206-023-119-151 or -703.
f. Compliance with this airworthiness directive and AD 78-24-06 is not required if serviceable horizontal stabilizer assemblies, modified P/N 206-704-040-003, -011, -075, -107, or -113, or current production P/N 206-023-119-151, or -703, are installed.
g. Compliance with this airworthiness directive eliminates the requirement for modification of the stabilizer supports and the daily inspection requirement for cracks required by AD 78-24-06, Amendment 39-3358, as amended by Amendment 39-4032.
h. The helicopter may be flown in accordance with FAR 21.197 to a base where compliance with this AD can be performed.
This amendment becomes effective March 30, 1982.
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