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MD88. After being dispatched with the autospoilers MEL'ed inoperative, the crew found they were unable to deploy the flight spoilers.
| Attributes | |
| ACN | 412205 |
| Time | |
| Date | 199808 |
| Day | Sat |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : pwm |
| State Reference | ME |
| Altitude | msl bound lower : 15000 msl bound upper : 15000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tracon : pwm tower : ewr |
| Operator | common carrier : air carrier |
| Make Model Name | MD-88 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | descent other |
| Route In Use | arrival other enroute : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : cfi pilot : flight engineer pilot : atp |
| Experience | flight time last 90 days : 220 flight time total : 10713 flight time type : 799 |
| ASRS Report | 412205 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| Events | |
| Anomaly | aircraft equipment problem : less severe other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : anomaly accepted |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
Aircraft was dispatched with autospoilers inoperative for rejected takeoff and landing. Procedure in mdm calls for depwring the spoiler servo in a position that allows flight spoiler use, but does not allow ground spoiler automatic. The aircraft had flown the previous legs before we picked up the airplane for the leg atl- pwm. At approximately 25 mi from pwm we were a little high on the descent and landing runway, not quite straight in, and I decided to get a little more drag down by using the flight spoilers. They would not deploy due to the servo position when the maintenance carry-over was applied. I extended the slats to slow down and begin the approach to pwm. Landing was uneventful and maintenance control was advised of the problem in pwm. In retrospect we were concerned about a possible emergency descent with no spoilers. Mdm should be modified to check for flight spoiler operation when autospoiler is on maintenance carry-over.
Original NASA ASRS Text
Title: MD88. AFTER BEING DISPATCHED WITH THE AUTOSPOILERS MEL'ED INOP, THE CREW FOUND THEY WERE UNABLE TO DEPLOY THE FLT SPOILERS.
Narrative: ACFT WAS DISPATCHED WITH AUTOSPOILERS INOP FOR REJECTED TKOF AND LNDG. PROC IN MDM CALLS FOR DEPWRING THE SPOILER SERVO IN A POS THAT ALLOWS FLT SPOILER USE, BUT DOES NOT ALLOW GND SPOILER AUTO. THE ACFT HAD FLOWN THE PREVIOUS LEGS BEFORE WE PICKED UP THE AIRPLANE FOR THE LEG ATL- PWM. AT APPROX 25 MI FROM PWM WE WERE A LITTLE HIGH ON THE DSCNT AND LNDG RWY, NOT QUITE STRAIGHT IN, AND I DECIDED TO GET A LITTLE MORE DRAG DOWN BY USING THE FLT SPOILERS. THEY WOULD NOT DEPLOY DUE TO THE SERVO POS WHEN THE MAINT CARRY-OVER WAS APPLIED. I EXTENDED THE SLATS TO SLOW DOWN AND BEGIN THE APCH TO PWM. LNDG WAS UNEVENTFUL AND MAINT CTL WAS ADVISED OF THE PROB IN PWM. IN RETROSPECT WE WERE CONCERNED ABOUT A POSSIBLE EMER DSCNT WITH NO SPOILERS. MDM SHOULD BE MODIFIED TO CHK FOR FLT SPOILER OP WHEN AUTOSPOILER IS ON MAINT CARRY-OVER.
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.