AD Amdt-39-10103

final rule
Data completeness: 70%

Airworthiness Directives; RAPCO, Inc. Filter, Part Numbers RA- 1J4-4, RA-1J4-6, and RA-1J4-7 From Lot Numbers 05597, 07797, and 12597

AD Number
Amdt-39-10103
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 97-CE-71-AD
FR Citation
62 FR 44406

Unsafe Condition

Cracked filter housings on RAPCO, Inc. in-line pressure filters with part numbers RA-1J4-4, RA-1J4-6, RA-1J4-7 from Lot Numbers 05597, 07797, and 12597 could cause failure of flight instruments during flight, leading to loss of control.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Remove RAPCO filters with specified part numbers from identified lot numbers. Replace with approved serviceable units.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Airplanes with RAPCO, Inc. in-line pressure filters, part numbers RA-1J4-4, RA-1J4-6, RA-1J4-7 from Lot Numbers 05597, 07797, and 12597 installed.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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View Official Source ↗