- Effective
- August 9, 1974
- Models
- F177RG, 177, 177A, 177B, 177RG
- Registered aircraft
- 2,161 matched by model
- Product
- Aircraft · Small airplane
- Amendment
- 39-1911
Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.
Copies of the files this page was built from, with their SHA-256. Retrieved October 18, 2026.
| File | Size | SHA-256 | Original |
|---|---|---|---|
| FAA DRS HTML | 19 KB | 6259cf4e…1054281 | FAA DRS (API key needed) |
On this page
The airworthiness directive
74-16-06 CESSNA: Amendment 39-1911. Applies to Models 177 (Serial Numbers 17700001 thru 17702041), 177RG (Serial Numbers 177RG00001 thru 177RG0445) and F177RG (Serial Numbers F177RG0001 thru F177RG0092) airplanes.
Compliance: Within the next 50 hours' time in service after the effective date of this AD, unless already accomplished.
To prevent failure or chafing of the oil pressure gage line located between the firewall and the oil pressure gage, install clamps between the flap control cable and the oil pressure gage line in accordance with Cessna Service Letter SE74-2 dated January 25, 1974, or later approved revisions. Any alternate method of compliance must be approved by Chief, Engineering and Manufacturing Branch, FAA, Central Region.
This amendment becomes effective August 9, 1974.
Affected TCDS · 3
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 2,161
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1943 | 1 |
|---|---|
| 1967 | 204 |
| 1968 | 225 |
| 1969 | 50 |
| 1970 | 99 |
| 1971 | 113 |
| 1972 | 122 |
| 1973 | 193 |
| 1974 | 177 |
| 1975 | 169 |
| 1976 | 313 |
| 1977 | 172 |
| 1978 | 45 |
| 1979 | 1 |
277 with no year recorded
By model
Aircraft
NTSB investigations that cite this AD · 1
Their narratives or probable cause name AD 74-16-06, often to say whether the aircraft complied with it.