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An MD80 engine nose cowl was found delaminated and lower surfaced cracked. This cowling was released for service improperly repaired.
| Attributes | |
| ACN | 603926 |
| Time | |
| Date | 200312 |
| Day | Thu |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | MD-80 Series (DC-9-80) Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| ASRS Report | 603926 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| ASRS Report | 603931 |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance non adherence : far non adherence : published procedure |
| Independent Detector | other other : person 1 |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other other Other |
| Factors | |
| Maintenance | performance deficiency : installation performance deficiency : non compliance with legal requirements performance deficiency : repair performance deficiency : scheduled maintenance performance deficiency : inspection |
| Supplementary | |
| Problem Areas | Maintenance Human Performance Cabin Crew Human Performance Aircraft |
| Primary Problem | Maintenance Human Performance |
Narrative:
Supervisor requested a tap test on surface area of outer skin panel on MD80 nose cowl and found delamination. Had cowl returned to shop. Marked delamination area on cowl for disposition of dayshift. Supplemental information from acn 603931: I was asked to go with technician to the test cell to see if the area had been repaired. Upon tap check, the area was found to be still delaminated. Upon removal of bottom skin cracks were found on lower panel internal ribs.
Original NASA ASRS Text
Title: AN MD80 ENG NOSE COWL WAS FOUND DELAMINATED AND LOWER SURFACED CRACKED. THIS COWLING WAS RELEASED FOR SVC IMPROPERLY REPAIRED.
Narrative: SUPVR REQUESTED A TAP TEST ON SURFACE AREA OF OUTER SKIN PANEL ON MD80 NOSE COWL AND FOUND DELAMINATION. HAD COWL RETURNED TO SHOP. MARKED DELAMINATION AREA ON COWL FOR DISPOSITION OF DAYSHIFT. SUPPLEMENTAL INFO FROM ACN 603931: I WAS ASKED TO GO WITH TECHNICIAN TO THE TEST CELL TO SEE IF THE AREA HAD BEEN REPAIRED. UPON TAP CHK, THE AREA WAS FOUND TO BE STILL DELAMINATED. UPON REMOVAL OF BOTTOM SKIN CRACKS WERE FOUND ON LOWER PANEL INTERNAL RIBS.
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.