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An air carrier flight crew flying MD90 at rno reports what appeared to be a maintenance discrepancy observed while lowering the landing gear.
| Attributes | |
| ACN | 452654 |
| Time | |
| Date | 199910 |
| Day | Sat |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : rno.airport |
| State Reference | NV |
| Altitude | agl single value : 2000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : rno.tower |
| Operator | common carrier : air carrier |
| Make Model Name | MD-90 Series (DC-9-90) Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | ils localizer & glide slope : 16 |
| Flight Phase | descent : approach |
| Route In Use | arrival : profile descent |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : private pilot : atp pilot : multi engine |
| Experience | flight time last 90 days : 180 flight time total : 10000 flight time type : 1700 |
| ASRS Report | 452654 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : multi engine pilot : atp |
| Experience | flight time last 90 days : 226 flight time total : 5164 flight time type : 226 |
| ASRS Report | 452959 |
| Events | |
| Anomaly | non adherence : company policies non adherence : published procedure other anomaly other |
| Independent Detector | other flight crewa other flight crewb |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Upon lowering gear handle, nothing happened for about 5 seconds. Then the gear came down ok. After landing, first officer discovered auxiliary/xfer hydraulic pumps were off (should have been on per approach checklist). A logbook write-up was made. Contract maintenance signed off aircraft as ok due to our (aircrew) omission of the pumps during approach. Both of us were concentrating on descent profile and took it for granted that the other guy turned them on.
Original NASA ASRS Text
Title: AN ACR FLC FLYING MD90 AT RNO RPTS WHAT APPEARED TO BE A MAINT DISCREPANCY OBSERVED WHILE LOWERING THE LNDG GEAR.
Narrative: UPON LOWERING GEAR HANDLE, NOTHING HAPPENED FOR ABOUT 5 SECONDS. THEN THE GEAR CAME DOWN OK. AFTER LNDG, FO DISCOVERED AUX/XFER HYD PUMPS WERE OFF (SHOULD HAVE BEEN ON PER APCH CHKLIST). A LOGBOOK WRITE-UP WAS MADE. CONTRACT MAINT SIGNED OFF ACFT AS OK DUE TO OUR (AIRCREW) OMISSION OF THE PUMPS DURING APCH. BOTH OF US WERE CONCENTRATING ON DSCNT PROFILE AND TOOK IT FOR GRANTED THAT THE OTHER GUY TURNED THEM ON.
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.