AD 47-47-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | FS 2003 Corp. | PA-12 | Airworthiness Directives; Piper Model PA-12 Aircraft |
Unsafe Condition
A short circuit could occur between the battery terminal bases and the battery box.
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Required Actions
Install a wood filler block (Piper P/N 11367) fastened with two No. 6-32 x 1/2 flat head machine screws to the upper inside edge of the battery box. Alternatively, use any insulating spacer that achieves the same objective. If the Reading R24L Battery was replaced with an S24 Battery and proper spacer channels (Piper P/N 10926 and 10927) are installed, the change is unnecessary.
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Compliance Time
Compliance required as soon as practicable but not later than January 15, 1948.
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Affected Aircraft
PA-12 Aircraft Serial Numbers 12-1 to 12-796 Inclusive, 12-815, 12-817 to 12-822 Inclusive, 12-825 to 12-831 Inclusive, 12-833, 12-835 to 12-848 Inclusive, 12-863 to 12-893 Inclusive, 12-895 to 12-901 Inclusive.
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Federal Register Abstract
Battery Box Insulating Spacer
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_47-47-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 47-47-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Model PA-12 Aircraft Subject: Battery Box Insulating Spacer Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: FS 2003 Corp. Model: PA-12 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 47-47-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 47-47-02 SUBJECT HEADING: Airworthiness Directives; Piper Model PA-12 Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 47-47-02 PIPER: (Was Mandatory Note 6 of AD-780-3.) Applies to PA-12 Aircraft Serial Numbers 12-1 to 12-796 Inclusive, 12-815, 12-817 to 12-822 Inclusive, 12-825 to 12-831 Inclusive, 12-833, 12-835 to 12-848 Inclusive, 12-863 to 12-893 Inclusive, 12-895 to 12-901 Inclusive. Compliance required as soon as practicable but not later than January 15, 1948. To eliminate the possibility of a short circuit occurring between the battery terminal bases and the battery box, a wood filler block 1/4 inch x 1 1/2 inches x 10 inches (Piper P/N 11367) should be fastened to the upper inside edge of the battery box with two No. 6-32 x 1/2 flat head machine screws. Any insulating spacer which will accomplish this same objective may also be used. On completion of this change appropriate entry shall be made in the aircraft log book. If the Reading R24L Battery has been replaced with an S24 Battery and proper spacer channels (Piper P/N 10926 and 10927) are installed, the above change is unnecessary. (Piper Service Bulletin No. 98 dated July 28, 1947, covers this same subject.) FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_47-47-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 47-47-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Model PA-12 Aircraft Subject: Battery Box Insulating Spacer Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: FS 2003 Corp. Model: PA-12 Product Type: Aircraft Product Subtype: Small 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: 47-47-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 47-47-02 SUBJECT HEADING: Airworthiness Directives; Piper Model PA-12 Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 47-47-02 PIPER: (Was Mandatory Note 6 of AD-780-3.) Applies to PA-12 Aircraft Serial Numbers 12-1 to 12-796 Inclusive, 12-815, 12-817 to 12-822 Inclusive, 12-825 to 12-831 Inclusive, 12-833, 12-835 to 12-848 Inclusive, 12-863 to 12-893 Inclusive, 12-895 to 12-901 Inclusive. Compliance required as soon as practicable but not later than January 15, 1948. To eliminate the possibility of a short circuit occurring between the battery terminal bases and the battery box, a wood filler block 1/4 inch x 1 1/2 inches x 10 inches (Piper P/N 11367) should be fastened to the upper inside edge of the battery box with two No. 6-32 x 1/2 flat head machine screws. Any insulating spacer which will accomplish this same objective may also be used. On completion of this change appropriate entry shall be made in the aircraft log book. If the Reading R24L Battery has been replaced with an S24 Battery and proper spacer channels (Piper P/N 10926 and 10927) are installed, the above change is unnecessary. (Piper Service Bulletin No. 98 dated July 28, 1947, covers this same subject.) FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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