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Aup start up on final. Egt and RPM rise. After landing APU over temperature. Shut down and discharged fire bottle.
| Attributes | |
| ACN | 107672 |
| Time | |
| Date | 198903 |
| Day | Thu |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : ric |
| State Reference | VA |
| Altitude | agl bound lower : 0 agl bound upper : 2000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Navigation In Use | Other |
| Flight Phase | descent : approach ground other : taxi landing other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp pilot : flight engineer |
| Experience | flight time last 90 days : 210 flight time total : 8800 flight time type : 800 |
| ASRS Report | 107672 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 180 flight time total : 18000 flight time type : 400 |
| ASRS Report | 107673 |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | flight crew : overcame equipment problem other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
Started APU 2000' MSL, 5 miles from runway. Egt and RPM began to rise. During taxi-in noticed the APU power available light was not on. Saw the APU egt at 800 degree and RPM at 20%. Shut the APU off and moved the fire control southwest to 'off and agent arm.' the fire detection 'B' loop then illuminated and we elected to discharge the #1 fire bottle. Egt began to decrease in 5-10 seconds. During exterior inspection found a plastic bag in the APU ram door. Noticed mild smoke in rear stairs area. Probably should have followed the entire start sequence through more closely but we were concentrating on landing at the time.
Original NASA ASRS Text
Title: AUP START UP ON FINAL. EGT AND RPM RISE. AFTER LNDG APU OVER TEMPERATURE. SHUT DOWN AND DISCHARGED FIRE BOTTLE.
Narrative: STARTED APU 2000' MSL, 5 MILES FROM RWY. EGT AND RPM BEGAN TO RISE. DURING TAXI-IN NOTICED THE APU POWER AVAILABLE LIGHT WAS NOT ON. SAW THE APU EGT AT 800 DEG AND RPM AT 20%. SHUT THE APU OFF AND MOVED THE FIRE CONTROL SW TO 'OFF AND AGENT ARM.' THE FIRE DETECTION 'B' LOOP THEN ILLUMINATED AND WE ELECTED TO DISCHARGE THE #1 FIRE BOTTLE. EGT BEGAN TO DECREASE IN 5-10 SECONDS. DURING EXTERIOR INSPECTION FOUND A PLASTIC BAG IN THE APU RAM DOOR. NOTICED MILD SMOKE IN REAR STAIRS AREA. PROBABLY SHOULD HAVE FOLLOWED THE ENTIRE START SEQUENCE THROUGH MORE CLOSELY BUT WE WERE CONCENTRATING ON LNDG AT THE TIME.
Data retrieved from NASA's ASRS site as of August 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.