AD 47-33-02

Airworthiness directive · Cowl Flap Hydraulic Lines · Boeing DC3-G102, DC3-G102A, DC3-G103A and 11 more

Models
DC3-G102, DC3-G102A, DC3-G103A, DC3-G202A, DC3A-S1C3G, DC3A-S1CG and 8 more
Registered aircraft
61 matched by model
Product
Aircraft · Large airplane

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.

On this page

The airworthiness directive

47-33-02 DOUGLAS: (Was Mandatory Note 14 of AD-618-3, Supplement 2; and Mandatory Note 15 of AD-669-3, Supplement 2.) Applies to All DC3 Series Aircraft.

To be accomplished not later than the first engine change after September 1, 1947, but in any event not later than December 1, 1947.

In order to preclude cowl flap hydraulic line failures and possible subsequent fires, replace grommets and lines forward of the firewall with AN 833-4 elbows and AN 924-4 nuts, or equivalent, and new fire resistant flexible hose assemblies of proper length.

Affected TCDS · 2

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

Registered aircraft · 61

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
  • Douglas61 aircraft
By year built
19361987
Registered aircraft by year built: 48 aircraft
19362
19371
19391
19404
19412
19428
19439
194416
19453
19491
19871

13 with no year recorded

By model

Aircraft

See all 61 aircraft