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An MD88 shortly after rotation declared an emergency and diverted due to right engine vibration, loss of power, and hydraulic system failure.
| Attributes | |
| ACN | 504453 |
| Time | |
| Date | 200103 |
| Day | Thu |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : tus.airport |
| State Reference | AZ |
| Altitude | agl single value : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : tus.tower |
| Operator | common carrier : air carrier |
| Make Model Name | MD-88 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Flight Phase | ground : takeoff roll |
| Route In Use | departure : other published ifr departure |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : flight engineer pilot : cfi |
| Experience | flight time last 90 days : 270 flight time total : 11000 flight time type : 3000 |
| ASRS Report | 504453 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : multi engine pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 17000 flight time type : 5000 |
| ASRS Report | 504815 |
| Events | |
| Anomaly | aircraft equipment problem : critical |
| Independent Detector | aircraft equipment other aircraft equipment : #2 engine e.p.r. indication other flight crewa other flight crewb |
| Resolutory Action | controller : issued new clearance flight crew : diverted to another airport flight crew : declared emergency |
| Consequence | other |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Aircraft |
| Primary Problem | Aircraft |
Narrative:
At rotation, a slight vibration was felt with loss of right side hydraulic system pressure and quantity. A turn to downwind was initiated while complying with hydraulic system failure checklist. Subsequently, right side thrust reverse light 'unlocked' illuminated followed by right reverse light on steady. Right engine brought to idle power, emergency declared, aircraft stopped on runway and right engine secured. Aircraft towed to gate. Callback conversation with reporter revealed the following information: the reporter stated the engine was pulled back to idle power with the reverser light on continuously. The reporter said the engine was never in reverse and was only a false warning caused by the engine vibrations shaking the reverser position indication sensors and wiring. The reporter stated the cause of the right engine loss of power is unknown as the engine shop has not started the tear-down.
Original NASA ASRS Text
Title: AN MD88 SHORTLY AFTER ROTATION DECLARED AN EMER AND DIVERTED DUE TO R ENG VIBRATION, LOSS OF PWR, AND HYD SYS FAILURE.
Narrative: AT ROTATION, A SLIGHT VIBRATION WAS FELT WITH LOSS OF R SIDE HYD SYS PRESSURE AND QUANTITY. A TURN TO DOWNWIND WAS INITIATED WHILE COMPLYING WITH HYD SYS FAILURE CHKLIST. SUBSEQUENTLY, R SIDE THRUST REVERSE LIGHT 'UNLOCKED' ILLUMINATED FOLLOWED BY R REVERSE LIGHT ON STEADY. R ENG BROUGHT TO IDLE PWR, EMER DECLARED, ACFT STOPPED ON RWY AND R ENG SECURED. ACFT TOWED TO GATE. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE ENG WAS PULLED BACK TO IDLE PWR WITH THE REVERSER LIGHT ON CONTINUOUSLY. THE RPTR SAID THE ENG WAS NEVER IN REVERSE AND WAS ONLY A FALSE WARNING CAUSED BY THE ENG VIBRATIONS SHAKING THE REVERSER POS INDICATION SENSORS AND WIRING. THE RPTR STATED THE CAUSE OF THE R ENG LOSS OF PWR IS UNKNOWN AS THE ENG SHOP HAS NOT STARTED THE TEAR-DOWN.
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.