AD 81-16-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna Aircraft Company | 172N | Airworthiness Directives; Cessna Model 172N, 172P, R172K, 172RG, F172, FR172 Airplanes |
| aircraft | Cessna Aircraft Company | 172P | Airworthiness Directives; Cessna Model 172N, 172P, R172K, 172RG, F172, FR172 Airplanes |
| aircraft | Cessna Aircraft Company | 172RG | Airworthiness Directives; Cessna Model 172N, 172P, R172K, 172RG, F172, FR172 Airplanes |
| aircraft | Cessna Aircraft Company | R172K | Airworthiness Directives; Cessna Model 172N, 172P, R172K, 172RG, F172, FR172 Airplanes |
| aircraft | Cessna Aircraft Company | F172D | Airworthiness Directives; Cessna Model 172N, 172P, R172K, 172RG, F172, FR172 Airplanes |
| aircraft | Cessna Aircraft Company | F172E | Airworthiness Directives; Cessna Model 172N, 172P, R172K, 172RG, F172, FR172 Airplanes |
| aircraft | Cessna Aircraft Company | F172F | Airworthiness Directives; Cessna Model 172N, 172P, R172K, 172RG, F172, FR172 Airplanes |
| aircraft | Cessna Aircraft Company | F172G | Airworthiness Directives; Cessna Model 172N, 172P, R172K, 172RG, F172, FR172 Airplanes |
| aircraft | Cessna Aircraft Company | F172H | Airworthiness Directives; Cessna Model 172N, 172P, R172K, 172RG, F172, FR172 Airplanes |
| aircraft | Cessna Aircraft Company | F172K | Airworthiness Directives; Cessna Model 172N, 172P, R172K, 172RG, F172, FR172 Airplanes |
| aircraft | Cessna Aircraft Company | F172L | Airworthiness Directives; Cessna Model 172N, 172P, R172K, 172RG, F172, FR172 Airplanes |
| aircraft | Cessna Aircraft Company | F172M | Airworthiness Directives; Cessna Model 172N, 172P, R172K, 172RG, F172, FR172 Airplanes |
| aircraft | Cessna Aircraft Company | F172N | Airworthiness Directives; Cessna Model 172N, 172P, R172K, 172RG, F172, FR172 Airplanes |
| aircraft | Cessna Aircraft Company | F172P | Airworthiness Directives; Cessna Model 172N, 172P, R172K, 172RG, F172, FR172 Airplanes |
| aircraft | Cessna Aircraft Company | FR172E | Airworthiness Directives; Cessna Model 172N, 172P, R172K, 172RG, F172, FR172 Airplanes |
| aircraft | Cessna Aircraft Company | FR172F | Airworthiness Directives; Cessna Model 172N, 172P, R172K, 172RG, F172, FR172 Airplanes |
| aircraft | Cessna Aircraft Company | FR172G | Airworthiness Directives; Cessna Model 172N, 172P, R172K, 172RG, F172, FR172 Airplanes |
| aircraft | Cessna Aircraft Company | FR172H | Airworthiness Directives; Cessna Model 172N, 172P, R172K, 172RG, F172, FR172 Airplanes |
| aircraft | Cessna Aircraft Company | FR172J | Airworthiness Directives; Cessna Model 172N, 172P, R172K, 172RG, F172, FR172 Airplanes |
| aircraft | Cessna Aircraft Company | FR172K | Airworthiness Directives; Cessna Model 172N, 172P, R172K, 172RG, F172, FR172 Airplanes |
Unsafe Condition
The elevator control system may have insufficient clearance between the elevator cable clevises (forks) and bellcrank due to improper installation or wear, leading to potential binding or failure of the control system.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove MS24665-134 cotter pins, AN310-3 nuts, and AN23-12 clevis bolts; clean bellcrank and clevises' mating surfaces; inspect for clearance; reinstall bolts with nuts and new cotter pins per specified orientation; check cable tension at 30 ±10 lbs; conduct operational check.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 25 hours time-in-service after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Cessna Model 172N, 172P, R172K, 172RG, F172, FR172 airplanes with serial numbers: 172N/172P (17271035-17274523), R172K (R1722930-R1723425), 172RG (172RG0001-172RG0789), F172 (F17201750-F17202134), FR172 (FR1720631-FR1720675)
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Elevator Control System
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_81-16-09.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 81-16-09 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Cessna Model 172N, 172P, R172K, 172RG, F172, FR172 Airplanes Subject: Elevator Control System Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/13/1981 Make: Cessna Aircraft Company Model: 172N | 172P | 172RG | R172K | F172D | F172E | F172F | F172G | F172H | F172K | F172L | F172M | F172N ...Show more Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 81-16-09 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4182 AD NUMBER: 81-16-09 SUBJECT HEADING: Airworthiness Directives; Cessna Model 172N, 172P, R172K, 172RG, F172, FR172 Airplanes ACTION: SUMMARY: DATES: Effective August 13, 1981. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 81-16-09 CESSNA: Amendment 39-4182. Applies to the following airplanes certificated in any category: Model Serial Numbers 172N, 172P 17271035 thru 17274523 R172K R1722930 thru R1723425 172RG 172RG0001 thru 172RG0789 F172 F17201750 thru F17202134 FR172 FR1720631 thru FR1720675 COMPLIANCE: Required as indicated unless already accomplished in accordance with AD 81-04-04, Amendment 39-4042. To ensure the integrity of the elevator control system, accomplish the following within the next 25 hours time-in-service after the effective date of this AD. A) Remove the MS24665-134 cotter pins, AN310-3 nuts and AN23-12 clevis bolts that attach both elevator cable clevises (forks) to the aft elevator bellcrank. B) Clean the mating surfaces of the bellcrank and elevator cable clevises (forks). C) Visually inspect to assure that there is clearance between the elevator cable clevises (forks) and bellcrank. D) Install the AN23-12 clevis bolts with the head to the right side for the upper bolt and left side for the lower bolt and the AN310-3 nuts removed in paragraph A. Install new MS24665-134 cotter pins. Assure that the elevator cable clevises (forks) can swivel freely. E) Check elevator cable tension, 30 ñ 10 lbs. F) Conduct operational check of elevator control system. NOTE: While Cessna Single Engine Service Information Letter SE80-78, Revision 1, dated July 13, 1981, pertains to this subject, the action required in this AD is more comprehensive. This amendment supersedes AD 81-04-04, Amendment 39-4042. This amendment becomes effective August 13, 1981. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_81-16-09.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 81-16-09 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Cessna Model 172N, 172P, R172K, 172RG, F172, FR172 Airplanes Subject: Elevator Control System Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/13/1981 Make: Cessna Aircraft Company Model: 172N | 172P | 172RG | R172K | F172D | F172E | F172F | F172G | F172H | F172K | F172L | F172M | F172N ...Show more Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 81-16-09 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4182 AD NUMBER: 81-16-09 SUBJECT HEADING: Airworthiness Directives; Cessna Model 172N, 172P, R172K, 172RG, F172, FR172 Airplanes ACTION: SUMMARY: DATES: Effective August 13, 1981. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 81-16-09 CESSNA: Amendment 39-4182. Applies to the following airplanes certificated in any category: Model Serial Numbers 172N, 172P 17271035 thru 17274523 R172K R1722930 thru R1723425 172RG 172RG0001 thru 172RG0789 F172 F17201750 thru F17202134 FR172 FR1720631 thru FR1720675 COMPLIANCE: Required as indicated unless already accomplished in accordance with AD 81-04-04, Amendment 39-4042. To ensure the integrity of the elevator control system, accomplish the following within the next 25 hours time-in-service after the effective date of this AD. A) Remove the MS24665-134 cotter pins, AN310-3 nuts and AN23-12 clevis bolts that attach both elevator cable clevises (forks) to the aft elevator bellcrank. B) Clean the mating surfaces of the bellcrank and elevator cable clevises (forks). C) Visually inspect to assure that there is clearance between the elevator cable clevises (forks) and bellcrank. D) Install the AN23-12 clevis bolts with the head to the right side for the upper bolt and left side for the lower bolt and the AN310-3 nuts removed in paragraph A. Install new MS24665-134 cotter pins. Assure that the elevator cable clevises (forks) can swivel freely. E) Check elevator cable tension, 30 ñ 10 lbs. F) Conduct operational check of elevator control system. NOTE: While Cessna Single Engine Service Information Letter SE80-78, Revision 1, dated July 13, 1981, pertains to this subject, the action required in this AD is more comprehensive. This amendment supersedes AD 81-04-04, Amendment 39-4042. This amendment becomes effective August 13, 1981. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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