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On a B757-200, idg's were svced with the cowling opened. Reporter later advised one service access door departed aircraft.
| Attributes | |
| ACN | 613569 |
| Time | |
| Date | 200403 |
| Day | Thu |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tower : zzz.tower |
| Operator | common carrier : air carrier |
| Make Model Name | B757 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : parked ground : maintenance |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Qualification | technician : airframe technician : powerplant |
| ASRS Report | 613569 |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance non adherence : far non adherence : published procedure |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other |
| Factors | |
| Maintenance | performance deficiency : scheduled maintenance performance deficiency : inspection |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Maintenance Human Performance Aircraft |
| Primary Problem | Ambiguous |
Narrative:
On mar/thu/04, I svced idg oil on aircraft in conjunction with an 'a' check. Service was accomplished through open fan cowls. After service, I closed cowls. At no time were idg service doors opened. When 'a' check was complete, all cowls and service doors on engines were closed and secure. I was notified on mar/mon/04 that on a subsequent flight an idg service door was reported missing.
Original NASA ASRS Text
Title: ON A B757-200, IDG'S WERE SVCED WITH THE COWLING OPENED. RPTR LATER ADVISED ONE SVC ACCESS DOOR DEPARTED ACFT.
Narrative: ON MAR/THU/04, I SVCED IDG OIL ON ACFT IN CONJUNCTION WITH AN 'A' CHK. SVC WAS ACCOMPLISHED THROUGH OPEN FAN COWLS. AFTER SVC, I CLOSED COWLS. AT NO TIME WERE IDG SVC DOORS OPENED. WHEN 'A' CHK WAS COMPLETE, ALL COWLS AND SVC DOORS ON ENGS WERE CLOSED AND SECURE. I WAS NOTIFIED ON MAR/MON/04 THAT ON A SUBSEQUENT FLT AN IDG SVC DOOR WAS RPTED MISSING.
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.