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A B767-200 returned to the field due to excessive noise from a right wing overwing escape door caused by an incorrect door seal installation.
| Attributes | |
| ACN | 405397 |
| Time | |
| Date | 199806 |
| Day | Wed |
| Local Time Of Day | 0001 To 0600 |
| Place | |
| Locale Reference | airport : zzz |
| State Reference | US |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B767-200 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | other |
| Flight Plan | None |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | other personnel other |
| Qualification | other other : other |
| ASRS Report | 405397 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | other personnel other |
| Qualification | other other : other |
| Events | |
| Anomaly | other anomaly other |
| Independent Detector | other flight crewa other other : unspecified |
| Resolutory Action | other |
| Consequence | Other |
| Supplementary | |
| Air Traffic Incident | other |
Narrative:
On jun/xa/98, myself and another mechanic replaced a door seal for an overwing emergency escape hatch, r-hand wing. All procedures were done to the best of my knowledge per air carrier maintenance manual. Apparently the door seal was installed backwards causing loud noise and flight crew decided to return to departed city, flight #xyz on jun/xa/98. On ground upon removal air carrier shop YYY found door seal installed backwards. Corrective action, reinstall seal. Callback conversation with reporter revealed the following information: the reporter stated the maintenance manual after reading it a second time is clear and did not cause the problem. The reporter said the addition to the maintenance manual to pressurize the cabin and check the door for leakage would have prevented this incident.
Original NASA ASRS Text
Title: A B767-200 RETURNED TO THE FIELD DUE TO EXCESSIVE NOISE FROM A R WING OVERWING ESCAPE DOOR CAUSED BY AN INCORRECT DOOR SEAL INSTALLATION.
Narrative: ON JUN/XA/98, MYSELF AND ANOTHER MECH REPLACED A DOOR SEAL FOR AN OVERWING EMER ESCAPE HATCH, R-HAND WING. ALL PROCS WERE DONE TO THE BEST OF MY KNOWLEDGE PER ACR MAINT MANUAL. APPARENTLY THE DOOR SEAL WAS INSTALLED BACKWARDS CAUSING LOUD NOISE AND FLC DECIDED TO RETURN TO DEPARTED CITY, FLT #XYZ ON JUN/XA/98. ON GND UPON REMOVAL ACR SHOP YYY FOUND DOOR SEAL INSTALLED BACKWARDS. CORRECTIVE ACTION, REINSTALL SEAL. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE MAINT MANUAL AFTER READING IT A SECOND TIME IS CLR AND DID NOT CAUSE THE PROB. THE RPTR SAID THE ADDITION TO THE MAINT MANUAL TO PRESSURIZE THE CABIN AND CHK THE DOOR FOR LEAKAGE WOULD HAVE PREVENTED THIS INCIDENT.
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.