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A B727-200 was dispatched with the external power door open causing low frequency vibrations when exceeding 280 KTS.
| Attributes | |
| ACN | 406680 |
| Time | |
| Date | 199806 |
| Day | Mon |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : slc |
| State Reference | UT |
| Altitude | msl bound lower : 12000 msl bound upper : 12000 |
| Environment | |
| Flight Conditions | Mixed |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : zlc |
| Operator | common carrier : air carrier |
| Make Model Name | B727-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : flight engineer |
| Experience | flight time last 90 days : 150 flight time total : 10500 flight time type : 3500 |
| ASRS Report | 406680 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| Events | |
| Anomaly | aircraft equipment problem : less severe non adherence : published procedure other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : detected after the fact |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
During acceleration through 280 KTS, aircraft began low frequency vibration that appeared stronger on right side of aircraft. After checking gauges for other causes, suspected external power door was left open. Confirmed by ramp upon arrival in las.
Original NASA ASRS Text
Title: A B727-200 WAS DISPATCHED WITH THE EXTERNAL PWR DOOR OPEN CAUSING LOW FREQ VIBRATIONS WHEN EXCEEDING 280 KTS.
Narrative: DURING ACCELERATION THROUGH 280 KTS, ACFT BEGAN LOW FREQ VIBRATION THAT APPEARED STRONGER ON R SIDE OF ACFT. AFTER CHKING GAUGES FOR OTHER CAUSES, SUSPECTED EXTERNAL PWR DOOR WAS LEFT OPEN. CONFIRMED BY RAMP UPON ARR IN LAS.
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.