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Two aircraft maintenance technicians (amts) report about an MEL disconnect procedure they had performed on the right engine; right outboard anti-ice valve on an md-83 aircraft. The valve was later found to be connected and not in compliance with the MEL dispatch requirements they had signed for. Technician notes that undocumented maintenance had occurred.
| Attributes | |
| ACN | 1196392 |
| Time | |
| Date | 201407 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Light | Dusk |
| Aircraft 1 | |
| Make Model Name | MD-83 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Component | |
| Aircraft Component | Engine Air Anti-Ice |
| Person 1 | |
| Function | Technician |
| Qualification | Maintenance Airframe Maintenance Powerplant |
| Person 2 | |
| Function | Technician |
| Qualification | Maintenance Powerplant Maintenance Avionics Maintenance Airframe |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Deviation - Procedural Maintenance Deviation - Procedural Published Material / Policy Deviation - Procedural FAR |
Narrative:
Md-83 aircraft inbound with a discrepancy that the anti-ice light came on for the right engine. On inspection found the right engine; right anti-ice valve would not electrically move to the 'open' position. Placarded the right engine; right anti-ice valve in 'open' position as instructed in MEL. I don't know. There was no discrepancy written in logbook after I placed the MEL. Once again I was in compliance with the MEL. I was in compliance with everything with this MEL. It flew six legs after I placarded the valve with no discrepancy before it landed in ZZZ and stayed 2.7 days. Evening shift. Gate location.
Original NASA ASRS Text
Title: Two Aircraft Maintenance Technicians (AMTs) report about an MEL disconnect procedure they had performed on the right engine; right outboard anti-ice valve on an MD-83 aircraft. The valve was later found to be connected and not in compliance with the MEL dispatch requirements they had signed for. Technician notes that undocumented maintenance had occurred.
Narrative: MD-83 aircraft inbound with a discrepancy that the anti-ice light came on for the right engine. On inspection found the right engine; right anti-ice valve would not electrically move to the 'open' position. Placarded the right engine; right anti-ice valve in 'open' position as instructed in MEL. I don't know. There was no discrepancy written in logbook after I placed the MEL. Once again I was in compliance with the MEL. I was in compliance with everything with this MEL. It flew six legs after I placarded the valve with no discrepancy before it landed in ZZZ and stayed 2.7 days. Evening shift. Gate location.
Data retrieved from NASA's ASRS site 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.