A-87-017
NTSB Safety Recommendation — Aviation
Recommendation text
THE NTSB RECOMMENDS THAT THE FEDERAL AVIATION ADMINISTRATION: AMEND AIRWORTHINESS DIRECTIVE 71-26-01 TO CLARIFY INSPECTION INSTRUCTIONS, ADD CORROSION PROTECTION SEALING REQUIREMENTS FOR LINK SHAFT INSTALLATION, AND REQUIRE THE REPLACEMENT OF CRACKED LINK SHAFTS WITH P/N 69-19167-3 OR 69-44388-2 SHAFTS WHERE NECESSARY AS PRESCRIBED IN REVISION 2 OF BOEING SERVICE BULLETIN 727-32-196, "MAIN LANDING GEAR ACTUATOR BEAM SUPPORT LINK SHAFT INSPECTION AND REWORK," DATED OCTOBER 21, 1977, BY A SPECIFIC COMPLIANCE DATE AND INCLUDE ALL NOTICES OF STATUS CHANGE TO THE SERVICE BULLETIN.
In plain language (FlightFinder summary)
The Federal Aviation Administration is asked to update Airworthiness Directive 71-26-01. This update should clarify inspection instructions, add corrosion protection sealing requirements for link shaft installation, and require replacement of cracked link shafts with part numbers 69-19167-3 or 69-44388-2, following Boeing Service Bulletin 727-32-196 Revision 2 dated October 21, 1977, along with all its status changes, by a specified compliance date.
This plain-language summary is written by FlightFinder to explain the recommendation above. It is not the official wording — the verbatim NTSB text is quoted above.
Details
| Status | Closed - Acceptable Alternate Action |
|---|---|
| Mode | Aviation |
| Closed | May 8, 1989 |
| NTSB number | DEN85IA250 |
| Addressees | FAA |
External links
NTSB safety recommendations are advisory; addressees are not legally required to adopt them. Source: NTSB CAROL (public domain).