AD 73-01-02

Airworthiness directive · Alternate Air System · Cessna 310N, 310P and 310Q

Effective
January 5, 1973
Models
310N, 310P, 310Q
Data sheet
TCDS3A10
Registered aircraft
393 matched by model
Product
Aircraft · Small airplane
Amendment
39-1579

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.

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The airworthiness directive

73-01-02 CESSNA: Amdt. 39-1579. Applies to Model 310N (Serial Numbers 310N0001 thru 310N0198), Model 310P (Serial Numbers 310P0001 thru 310P0240), and Model 310Q (Serial Numbers 310Q0001 thru 310Q0130) airplanes.

NOTE: This AD is not applicable to Model T310 airplanes which fall within these serial number ranges.

Compliance: Required as indicated, unless already accomplished.

To prevent moisture from possibly entering the alternate air system and freezing on powerplant induction system components when operating in below freezing temperatures, accomplish the following:

Within 50 hours' time in service after the effective date of this AD, install deflector baffles over the alternate air inlet in the vertical baffle and enlarge the warm air cut out in the induction air canister in accordance with Cessna Service Letter ME70-43 and Service Kit SK310-82D, or any other method approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region.

Thisamendment becomes effective January 5, 1973.

Affected TCDS · 1

The type certificate data sheets for the models this AD names, matched by model and maker.

Registered aircraft · 393

Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.

By aircraft maker
  • Cessna393 aircraft
By year built
19671990
Registered aircraft by year built: 325 aircraft
19679
196852
196945
197020
197126
197249
197374
197448
19771
19901

68 with no year recorded

By model

Aircraft

See all 393 aircraft