AD 69-20-06

Airworthiness directive · Electrical Overloads Of Circuits · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 22 more

Effective
October 30, 1969
Models
707-100 Long Body, 707-100B Long Body, 707-100B Short Body, 707-200, 707-300 Series, 707-300B Series and 19 more
Registered aircraft
854 matched by model
Product
Aircraft · Large airplane
Amendment
39-854

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

69-20-06 BOEING: Amdt. 39-854. Applies to Model 707, 720, 727 and 737 series airplanes.

Compliance required within the next 1500 hours' time in service after the effective date of this AD, unless already accomplished.

To prevent hazardous conditions resulting from electrical overloads of circuits using Wood Electric Corporation three-phase circuit breakers (Boeing P/N BAC-C18L( )) accomplish the following: Replace all Wood Electric Corp. three-phase circuit breakers (Boeing P/N BAC- C18L( )) in accordance with Boeing Service Bulletin No. 2897, dated May 21, 1969, and No. 2898, dated May 1, 1969, (707 and 720 airplanes) or later FAA approved revisions; Service Bulletin No. 24-48, dated May 21, 1969, (727 airplanes), or later FAA approved revisions; and Service Bulletin No. 24-1011, dated May 21, 1969 (737 airplanes), or later FAA approved revisions, or an equivalent replacement approved by the Chief, Aircraft Engineering Division, FAA Western Region.

This amendment becomes effective October 30, 1969.

Affected TCDS · 5

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

Registered aircraft · 854

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
  • Boeing854 aircraft
By year built
19682025
Registered aircraft by year built: 805 aircraft
19681
19691
19711
19731
19753
19763
19773
19782
19792
19816
19821
19863
19874
19892
19901
19915
19924
19934
19941
19953
19972
199840
199987
200072
200173
200210
20037
200413
200514
200621
200721
200826
200938
201062
201121
201230
201331
201423
201520
201642
201772
201827
20252

49 with no year recorded

By model

See all 57 models

Aircraft

See all 854 aircraft