AD 69-06-01

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AD Number:
69-06-01
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
FAIRCHILD-HILLER Model F-27 Airplanes
Subject:
Flap Drive System
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
03/26/1969
Make:
Maryland Air Industries, Inc.
Model:
F-27 | F-27A | F-27B | F-27F | F-27G | F-27J | F-27M
Product Type:
Aircraft
Product Subtype:
Large 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Superseded AD: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Superseded By: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: 69-06-01
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-734

AD NUMBER:   69-06-01

SUBJECT HEADING:   FAIRCHILD-HILLER Model F-27 Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective March 26, 1969.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
69-06-01 FAIRCHILD-HILLER: Amdt. 39-734. Applies to Type F-27 Airplanes Serial Numbers 1 through 124 inclusive. Incorporating Cutler Hammer P/N 6046 H46 Relay in Flap Control System.

Compliance required as follows:

To prevent hazards associated with flap drive system failure whereby the flaps are driven off the drive screw jacks, accomplish the following:

(a) Within the next 200 hours time in service after the effective date of this AD, and thereafter at 200 hour intervals from the date of the last inspection, open cover of wing flap system motor relay and visually inspect all contacts. Any finding of contact pitting or discoloration of contacts requires replacement of the relay with an unused part. The inspection may be terminated upon completion of the requirement of paragraph (b) of this AD.

(b) Within the next 500 hours time in service after the effective date of the AD, unless already accomplished, rewire the flap drive circuit in accordance with Fairchild Hiller F- 27 Service Bulletin F-27-27-67 dated February 1, 1969, for F-27 aircraft, or later revisions approved by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region, or perform an equivalent modification approved by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region.

(c) Upon request with substantiating data submitted through an FAA Maintenance Inspector, compliance time may be increased by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region.

This amendment is effective March 26, 1969.

FOOTER: