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ATR72 crew had maintenance close a nacelle access door. It was not done properly. Having the door open in flight resulted in an engine fire warning.
| Attributes | |
| ACN | 535375 |
| Time | |
| Date | 200201 |
| Day | Tue |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : atl.airport |
| State Reference | GA |
| Altitude | msl bound lower : 500 msl bound upper : 12000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : a80.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | ATR 72 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : initial climbout : intermediate altitude |
| Route In Use | departure : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : cfi pilot : atp |
| Experience | flight time last 90 days : 150 flight time total : 3800 flight time type : 1200 |
| ASRS Report | 535375 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance non adherence : company policies non adherence : published procedure non adherence : far other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : fire warning other flight crewa other flight crewb other other : 7 |
| Resolutory Action | flight crew : declared emergency flight crew : diverted to another airport flight crew : landed in emergency condition other |
| Consequence | other other |
| Factors | |
| Maintenance | contributing factor : schedule pressure performance deficiency : inspection performance deficiency : non compliance with legal requirements |
| Supplementary | |
| Problem Areas | Maintenance Human Performance Company Aircraft |
| Primary Problem | Maintenance Human Performance |
Narrative:
Prior to boarding passenger on jan/tue/02 for flight abcd, maintenance had been working on the aircraft regarding a problem with the 'a' igniter on the #2 engine. After the mechanic signed it off, the first officer did a walkaround and said everything looked normal. Upon climb out, passing 500 ft, the first officer and I felt a noticeable rhythmic vibration. As the speed of the aircraft increased, the vibrations subsided. I notified ATC of the problem and told them to stand by as I contacted maintenance. With maintenance on the radio, I told the flight attendants to see if they saw anything irregular. The flight attendant said an air carrier Y pilot who was sitting in the back reported a small access door was open on top of the #2 engine. I decided, with my first officer and maintenance, to return to atl. After contacting our dispatcher, we began the turn toward atl. In the turn we received a fire warning on the #2 engine. At that time I took the controls and we ran the emergency procedures for engine fire in-flight. As the propeller feathered the fire warning went away. I declared an emergency with ATC approach and told the first officer to keep maintenance and dispatch updated as well as the flight attendants and the people. We landed without incident and on the postflt, noticed the right engine nacelle panel had come off.
Original NASA ASRS Text
Title: ATR72 CREW HAD MAINT CLOSE A NACELLE ACCESS DOOR. IT WAS NOT DONE PROPERLY. HAVING THE DOOR OPEN IN FLT RESULTED IN AN ENG FIRE WARNING.
Narrative: PRIOR TO BOARDING PAX ON JAN/TUE/02 FOR FLT ABCD, MAINT HAD BEEN WORKING ON THE ACFT REGARDING A PROB WITH THE 'A' IGNITER ON THE #2 ENG. AFTER THE MECH SIGNED IT OFF, THE FO DID A WALKAROUND AND SAID EVERYTHING LOOKED NORMAL. UPON CLBOUT, PASSING 500 FT, THE FO AND I FELT A NOTICEABLE RHYTHMIC VIBRATION. AS THE SPD OF THE ACFT INCREASED, THE VIBRATIONS SUBSIDED. I NOTIFIED ATC OF THE PROB AND TOLD THEM TO STAND BY AS I CONTACTED MAINT. WITH MAINT ON THE RADIO, I TOLD THE FLT ATTENDANTS TO SEE IF THEY SAW ANYTHING IRREGULAR. THE FLT ATTENDANT SAID AN ACR Y PLT WHO WAS SITTING IN THE BACK RPTED A SMALL ACCESS DOOR WAS OPEN ON TOP OF THE #2 ENG. I DECIDED, WITH MY FO AND MAINT, TO RETURN TO ATL. AFTER CONTACTING OUR DISPATCHER, WE BEGAN THE TURN TOWARD ATL. IN THE TURN WE RECEIVED A FIRE WARNING ON THE #2 ENG. AT THAT TIME I TOOK THE CTLS AND WE RAN THE EMER PROCS FOR ENG FIRE INFLT. AS THE PROP FEATHERED THE FIRE WARNING WENT AWAY. I DECLARED AN EMER WITH ATC APCH AND TOLD THE FO TO KEEP MAINT AND DISPATCH UPDATED AS WELL AS THE FLT ATTENDANTS AND THE PEOPLE. WE LANDED WITHOUT INCIDENT AND ON THE POSTFLT, NOTICED THE R ENG NACELLE PANEL HAD COME OFF.
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.