| AD Number | 76-07-09 | Status | Active |
| Effective Date | April 19, 1976 | Issue Date | Not specified |
| Docket Number | Unknown | Amendment | 39-2570 |
| Product Type | ["Appliance"] | Product Subtype | Not specified |
| CFR Part | --- - Part 39 | CFR Section | N/A |
| Citation | This information is not available. | ||
| Manufacturer(s) | Collins |
| Model(s) | Radio Magnetic Indicator |
76-07-09 COLLINS: Amendment 39-2570. Applies to Collins Model 332C-10 Radio Magnetic Indicator (part numbers and serial numbers listed below) installed on various aircraft makes and models equipped with 24 V electrical systems:
Collins Part No.
Serial No.
622-0555-001
729 and below
622-0555-002
963 and below
622-0555-003
3593 and below, 3595 thru 3600,
3602 thru 3611, 3613 thru 3628
622-0555-004
3693 and below, 3695 thru 3706
622-0555-005
3252 and below
622-0555-006
4156 and below
622-0555-007
3208 and below, 3210 thru 3231,
3233 thru 3239
622-0555-008
2805 and below
Compliance: Required as indicated, unless already accomplished.
To preclude possible erroneous VOR bearing information presentation, with no flag warning, when 26 VAC input power is lost, accomplish the following:
A) Within 50 hours" time in service in service after the effective date of this AD, determine if the 332C-10 Radio Magnetic Indicator(s) is (are) installed, and if so, whether modified in accordance with Collins 332C-10 Radio Magnetic Indicator (622-0555-XXX) Service Bulletin No. 6, dated February 16, 1976, or later approved revision. On those units not modified in accordance with Service Bulletin No. 6, prior to further flight, install a placard on glass face of the magnetic indicator which reads:
"USE ADF MODE ONLY"
and operate the unit in accordance with this limitation.
NOTE: Indicators which have been modified in accordance with Service Bulletin No. 6 will have the No. 6 removed from the modification plate attached to the unit.
B) On or before January 1, 1977, modify the 332C-10 indicators(s) in accordance with Collins 332C-10 Radio Magnetic Indicator (622-0555-XXX) Service Bulletin No. 6, dated February 16, 1976, or later approved revisions.
C) When Paragraph B has been accomplished, compliance with Paragraph A is no longer required.
D) Any alternate method of compliance with this AD must be approvedby the Chief, Engineering and Manufacturing Branch, FAA, Central Region.
This amendment becomes effective April 19, 1976.