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During a ground school lesson involving certificates and documents; a flight instructor realizes a robinson R22-hp helicopter he had been using for student training and solo flights may not have been airworthy. An oil change service bulletin (south/B) for the R22-hp differed from the R22-beta-2 he had previously used.
| Attributes | |
| ACN | 1100539 |
| Time | |
| Date | 201307 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Robinson R22 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Parked |
| Component | |
| Aircraft Component | Lubrication Oil |
| Person 1 | |
| Function | Instructor |
| Qualification | Flight Crew Commercial Flight Crew Flight Instructor |
| Experience | Flight Crew Last 90 Days 70 Flight Crew Total 428 Flight Crew Type 356 |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Procedural Published Material / Policy Deviation - Procedural FAR |
Narrative:
During a ground school lesson with my student in preparation for their private pilot practical exam; we went over the certificates and documents required in the practical test standards for the exam. While covering the subject I realized that the robinson R22HP [helicopter] I had been using had certain maintenance concerns that made me question the airworthiness of the helicopter. After further research I came to the conclusion that the helicopter was not airworthy for discrepancies concerning the documentation and maintenance required. I had flown the helicopter on several occasions prior and sent solo students flying in a possible unairworthy condition that was not known by me until this time. I have not flown the helicopter since the discovery of the discrepancies and have brought the issues to the attention of the owner and operator of the helicopter. I will not fly the aircraft until the helicopter is returned to an airworthy condition. The reason that I hadn't realized this sooner is the robinson R22 hp model has a service bulletin (south/B) regarding oil changes that differ it from the robinson R22 beta ii that I normally use.
Original NASA ASRS Text
Title: During a Ground School lesson involving certificates and documents; a Flight Instructor realizes a Robinson R22-HP helicopter he had been using for student training and solo flights may not have been airworthy. An Oil Change Service Bulletin (S/B) for the R22-HP differed from the R22-Beta-2 he had previously used.
Narrative: During a Ground School lesson with my student in preparation for their Private Pilot Practical exam; we went over the certificates and documents required in the Practical Test Standards for the exam. While covering the subject I realized that the Robinson R22HP [helicopter] I had been using had certain maintenance concerns that made me question the airworthiness of the helicopter. After further research I came to the conclusion that the helicopter was not airworthy for discrepancies concerning the documentation and maintenance required. I had flown the helicopter on several occasions prior and sent solo students flying in a possible unairworthy condition that was not known by me until this time. I have not flown the helicopter since the discovery of the discrepancies and have brought the issues to the attention of the Owner and Operator of the helicopter. I will not fly the aircraft until the helicopter is returned to an airworthy condition. The reason that I hadn't realized this sooner is the Robinson R22 HP model has a Service Bulletin (S/B) regarding oil changes that differ it from the Robinson R22 Beta II that I normally use.
Data retrieved from NASA's ASRS site as of July 2013 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.