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Gear unsafe indication and APU fire warning with confirmed smoke requires an evacuation of passenger from large transport.
| Attributes | |
| ACN | 158621 |
| Time | |
| Date | 199009 |
| Day | Fri |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : dtw |
| State Reference | MI |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Large Transport, Low Wing, 3 Turbojet Eng |
| Flight Phase | ground other : taxi |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 80 flight time total : 9000 flight time type : 1500 |
| ASRS Report | 158621 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | flight crew : declared emergency other other |
| Consequence | faa : investigated other |
| Supplementary | |
| Primary Problem | Aircraft |
Narrative:
APU inoperative during taxi to ramp. Captain noticed abnormal grinding noise. During turn to parking ramp, red gear warning light illuminated and right green gear down and lock light extinguished. Aircraft brought to gradual stop. During coordination of unsafe gear procedures APU fire alarm sounded and light illuminated. APU fire checklist accomplished fire bell could not be silenced until fire extinguisher discharge button was depressed. Smoke was confirmed coming from right wing by ground control and other aircraft APU fire warning reoccurred shortly and emergency evacuation was accomplished. With approach deactivated by maintenance source of APU fire unknown. Fire confirmed by fire department damage to aircraft.
Original NASA ASRS Text
Title: GEAR UNSAFE INDICATION AND APU FIRE WARNING WITH CONFIRMED SMOKE REQUIRES AN EVACUATION OF PAX FROM LGT.
Narrative: APU INOPERATIVE DURING TAXI TO RAMP. CAPT NOTICED ABNORMAL GRINDING NOISE. DURING TURN TO PARKING RAMP, RED GEAR WARNING LIGHT ILLUMINATED AND R GREEN GEAR DOWN AND LOCK LIGHT EXTINGUISHED. ACFT BROUGHT TO GRADUAL STOP. DURING COORD OF UNSAFE GEAR PROCS APU FIRE ALARM SOUNDED AND LIGHT ILLUMINATED. APU FIRE CHKLIST ACCOMPLISHED FIRE BELL COULD NOT BE SILENCED UNTIL FIRE EXTINGUISHER DISCHARGE BUTTON WAS DEPRESSED. SMOKE WAS CONFIRMED COMING FROM R WING BY GND CTL AND OTHER ACFT APU FIRE WARNING REOCCURRED SHORTLY AND EMER EVACUATION WAS ACCOMPLISHED. WITH APCH DEACTIVATED BY MAINT SOURCE OF APU FIRE UNKNOWN. FIRE CONFIRMED BY FIRE DEPT DAMAGE TO 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.