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Dispatched with one bscu deferred; A320 flight crew suffers loss of sole remaining unit. Returns to departure airport and is towed to gate.
| Attributes | |
| ACN | 803449 |
| Time | |
| Date | 200809 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | msl single value : 25000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zzz.artcc tower : zzz.tower |
| Operator | common carrier : air carrier |
| Make Model Name | A320 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : initial |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| ASRS Report | 803449 |
| Events | |
| Anomaly | aircraft equipment problem : critical |
| Independent Detector | aircraft equipment other aircraft equipment : ecam warning other flight crewa |
| Resolutory Action | none taken : unable other |
| Factors | |
| Maintenance | performance deficiency : repair |
| Supplementary | |
| Problem Areas | Aircraft Company |
| Primary Problem | Aircraft |
Narrative:
During climb out; had antiskid nosewheel steering failure. Dispatch/maintenance advised. Returned to ZZZ. Followed QRH ECAM procedures. Landing uneventful; but stopped on runway; towed to gate. One brake steering control unit (bscu) was MEL'ed inoperative. Other failed in-flight causing antiskid nosewheel steering failure. Fix MEL equipment as soon as possible.
Original NASA ASRS Text
Title: DISPATCHED WITH ONE BSCU DEFERRED; A320 FLT CREW SUFFERS LOSS OF SOLE REMAINING UNIT. RETURNS TO DEP ARPT AND IS TOWED TO GATE.
Narrative: DURING CLBOUT; HAD ANTISKID NOSEWHEEL STEERING FAILURE. DISPATCH/MAINT ADVISED. RETURNED TO ZZZ. FOLLOWED QRH ECAM PROCS. LNDG UNEVENTFUL; BUT STOPPED ON RWY; TOWED TO GATE. ONE BRAKE STEERING CONTROL UNIT (BSCU) WAS MEL'ED INOP. OTHER FAILED INFLT CAUSING ANTISKID NOSEWHEEL STEERING FAILURE. FIX MEL EQUIP ASAP.
Data retrieved from NASA's ASRS site as of May 2009 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.