AD 80-26-51

final rule
Data completeness: 70%

BOEING Model 737 Series Airplanes

AD Number
80-26-51
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company 737-100 Series BOEING Model 737 Series Airplanes
aircraft The Boeing Company 737-200 Series BOEING Model 737 Series Airplanes
aircraft The Boeing Company 737-200C Series BOEING Model 737 Series Airplanes
aircraft The Boeing Company 737-300 Series BOEING Model 737 Series Airplanes
aircraft The Boeing Company 737-400 Series BOEING Model 737 Series Airplanes
aircraft The Boeing Company 737-500 Series BOEING Model 737 Series Airplanes
aircraft The Boeing Company 737-600 Series BOEING Model 737 Series Airplanes
aircraft The Boeing Company 737-700 Series BOEING Model 737 Series Airplanes
aircraft The Boeing Company 737-800 Series BOEING Model 737 Series Airplanes

Unsafe Condition

Control system jamming due to improper installation of bolt assemblies at the upper and lower clevis of each elevator power control unit input rod assembly.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Inspect bolt assemblies at the upper and lower clevis of each elevator power control unit input rod assembly for proper installation per Boeing Alert Service Bulletin 27A1109 or later FAA-approved revisions. Reinstall improperly installed bolt assemblies as required by the service bulletin.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

within the next 150 hours time-in-service after the effective date

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Affected Aircraft

Boeing Model 737 series airplanes certificated in all categories, prior to line number 726.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.

View Official Source ↗ Find More ADs for The Boeing Company 737-100 Series

Related Airworthiness Directives

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final rule

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Effective: Jan 15, 2010 Category: aircraft

2004-03-34 R1

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Airworthiness Directives; Boeing Model 737-100, -200, -200C, - 300, -400, and -500 Series Airplanes

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