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Noisy brakes are thought to be shifting cargo during taxi. A return to the gate for investigation confirms the brakes are the source of the sound.
| Attributes | |
| ACN | 522340 |
| Time | |
| Date | 200108 |
| Day | Sat |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : ord.airport |
| State Reference | IL |
| Altitude | agl single value : 0 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B777 Undifferentiated or Other Model |
| Flight Phase | ground : taxi ground : preflight |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time type : 375 |
| ASRS Report | 522340 |
| Events | |
| Anomaly | other anomaly other |
| Resolutory Action | other |
| Consequence | other Other |
| Supplementary | |
| Problem Areas | Aircraft Cabin Crew Human Performance |
| Primary Problem | Cabin Crew Human Performance |
Narrative:
After stop and go taxi, flight attendant reported what she believed to be shifting cargo below her at door 4R. After face to face discussion, I determined it necessary to get out of departure line. Found mechanic on board. He listened from same position and heard nothing. Departure line was lengthy. We were at end again. Went to gate for check of cargo. No problems found. On subsequent taxi flight attendant agreed with mechanic that problem had been noisy brakes. We did earlier ask maintenance control about this noise and they had no suggestions. Perhaps maintenance control and flight attendant group should be briefed on this brake noise.
Original NASA ASRS Text
Title: NOISY BRAKES ARE THOUGHT TO BE SHIFTING CARGO DURING TAXI. A RETURN TO THE GATE FOR INVESTIGATION CONFIRMS THE BRAKES ARE THE SOURCE OF THE SOUND.
Narrative: AFTER STOP AND GO TAXI, FLT ATTENDANT RPTED WHAT SHE BELIEVED TO BE SHIFTING CARGO BELOW HER AT DOOR 4R. AFTER FACE TO FACE DISCUSSION, I DETERMINED IT NECESSARY TO GET OUT OF DEP LINE. FOUND MECH ON BOARD. HE LISTENED FROM SAME POS AND HEARD NOTHING. DEP LINE WAS LENGTHY. WE WERE AT END AGAIN. WENT TO GATE FOR CHK OF CARGO. NO PROBS FOUND. ON SUBSEQUENT TAXI FLT ATTENDANT AGREED WITH MECH THAT PROB HAD BEEN NOISY BRAKES. WE DID EARLIER ASK MAINT CTL ABOUT THIS NOISE AND THEY HAD NO SUGGESTIONS. PERHAPS MAINT CTL AND FLT ATTENDANT GROUP SHOULD BE BRIEFED ON THIS BRAKE NOISE.
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.