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A DC9-50 during #1 engine change, a pneumatic leak found by the engine change inspector was signed off by the maintenance supervisor as ok for service.
| Attributes | |
| ACN | 387842 |
| Time | |
| Date | 199712 |
| Day | Mon |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : zzz |
| State Reference | US |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | DC-9 50 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other |
| Flight Phase | other |
| Flight Plan | None |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | other personnel other |
| Qualification | other other : other |
| ASRS Report | 387842 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | other personnel other oversight : supervisor |
| Qualification | other other : other |
| Events | |
| Anomaly | aircraft equipment problem : critical non adherence : far non adherence : published procedure other anomaly other |
| Independent Detector | other other : unspecified |
| Resolutory Action | other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
During an engine change on air carrier aircraft, #1 engine installed. Found a pneumatic air leak in installed bleed air duct and instructed mechanic to repair same. When air carrier maintenance supervisor xyz said he would sign off the air leak. Concerned because air leak in area of pylon skirt fire detector system and may cause false fire indication.
Original NASA ASRS Text
Title: A DC9-50 DURING #1 ENG CHANGE, A PNEUMATIC LEAK FOUND BY THE ENG CHANGE INSPECTOR WAS SIGNED OFF BY THE MAINT SUPVR AS OK FOR SVC.
Narrative: DURING AN ENG CHANGE ON ACR ACFT, #1 ENG INSTALLED. FOUND A PNEUMATIC AIR LEAK IN INSTALLED BLEED AIR DUCT AND INSTRUCTED MECH TO REPAIR SAME. WHEN ACR MAINT SUPVR XYZ SAID HE WOULD SIGN OFF THE AIR LEAK. CONCERNED BECAUSE AIR LEAK IN AREA OF PYLON SKIRT FIRE DETECTOR SYS AND MAY CAUSE FALSE FIRE INDICATION.
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.