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A falcon 10 in cruise at FL290 diverted due to right engine loud noise and low oil pressure warning. Engine shutdown. Found lower engine cowling departed aircraft.
| Attributes | |
| ACN | 525747 |
| Time | |
| Date | 200109 |
| Day | Wed |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : grd.airport |
| State Reference | SC |
| Altitude | msl single value : 29000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : ztl.artcc |
| Operator | general aviation : corporate |
| Make Model Name | Falcon 10C |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : corporate |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 50 flight time total : 5500 flight time type : 200 |
| ASRS Report | 525747 |
| Person 2 | |
| Affiliation | company : corporate |
| Function | flight crew : first officer |
| Events | |
| Anomaly | aircraft equipment problem : critical altitude deviation : excursion from assigned altitude maintenance problem : improper maintenance non adherence : far non adherence : published procedure |
| Independent Detector | aircraft equipment other aircraft equipment : right engine oil press lite other flight crewa |
| Resolutory Action | flight crew : overrode automation flight crew : diverted to another airport flight crew : regained aircraft control |
| Consequence | other other |
| Factors | |
| Maintenance | performance deficiency : repair performance deficiency : inspection |
| Supplementary | |
| Problem Areas | Aircraft Maintenance Human Performance |
| Primary Problem | Maintenance Human Performance |
Narrative:
Leveling off at FL290 about 20 mins into flight from ZZZ to ilm turbulence was forecast, I heard a loud noise. My first thought was moderate turbulence, but I noticed the right side oil pressure light illuminated and at that time fuel flow was dropping off also. At this time, I shut down the right side engine and disconnected the autoplt. When I had disconnected the autoplt, the aircraft gained about 800 ft as we slowed while receiving clearance to descend and proceed direct to augusta, GA. We proceeded without any other problems. Upon landing, we found about 3/4 of the bottom cowl was missing from the right engine. Maintenance suspects this was a result of a previous repair. I could not find anything in the far's or NTSB 830 about needing a report since some parts had left the aircraft.
Original NASA ASRS Text
Title: A FALCON 10 IN CRUISE AT FL290 DIVERTED DUE TO R ENG LOUD NOISE AND LOW OIL PRESSURE WARNING. ENG SHUTDOWN. FOUND LOWER ENG COWLING DEPARTED ACFT.
Narrative: LEVELING OFF AT FL290 ABOUT 20 MINS INTO FLT FROM ZZZ TO ILM TURB WAS FORECAST, I HEARD A LOUD NOISE. MY FIRST THOUGHT WAS MODERATE TURB, BUT I NOTICED THE R SIDE OIL PRESSURE LIGHT ILLUMINATED AND AT THAT TIME FUEL FLOW WAS DROPPING OFF ALSO. AT THIS TIME, I SHUT DOWN THE R SIDE ENG AND DISCONNECTED THE AUTOPLT. WHEN I HAD DISCONNECTED THE AUTOPLT, THE ACFT GAINED ABOUT 800 FT AS WE SLOWED WHILE RECEIVING CLRNC TO DSND AND PROCEED DIRECT TO AUGUSTA, GA. WE PROCEEDED WITHOUT ANY OTHER PROBS. UPON LNDG, WE FOUND ABOUT 3/4 OF THE BOTTOM COWL WAS MISSING FROM THE R ENG. MAINT SUSPECTS THIS WAS A RESULT OF A PREVIOUS REPAIR. I COULD NOT FIND ANYTHING IN THE FAR'S OR NTSB 830 ABOUT NEEDING A RPT SINCE SOME PARTS HAD LEFT THE ACFT.
Data retrieved from NASA's ASRS site as of July 2007 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.