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A B737-800 rejects takeoff at 70 KTS due to master caution light for the right aft overwing emergency exit door. Previously deferred but not deferred per MEL special procedures.
| Attributes | |
| ACN | 543100 |
| Time | |
| Date | 200203 |
| Day | Sat |
| Local Time Of Day | 0001 To 0600 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : zzz.tower |
| Operator | common carrier : air carrier |
| Make Model Name | B737-800 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : takeoff roll |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 110 flight time total : 7200 flight time type : 1800 |
| ASRS Report | 543100 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : non compliance with mel non adherence : published procedure non adherence : company policies |
| Independent Detector | other flight crewa other flight crewb |
| Resolutory Action | flight crew : rejected takeoff |
| Consequence | other other |
| Factors | |
| Maintenance | performance deficiency : non compliance with legal requirements |
| Supplementary | |
| Problem Areas | Aircraft Chart Or Publication |
| Primary Problem | Maintenance Human Performance |
Narrative:
At 70 KTS, received right aft overwing door master caution light. Captain rejected. Rejected takeoff and after landing checklist completed, returned to gate. Right aft overwing exit door was already on MEL (air microphone MEL 52-07, MEL 52-10). Maintenance believed faulty jumper block in place from the MEL maintenance action. Rejected write-up cleared. Continued with no passenger in aft (only business class). Captain and first officer briefed with maintenance to continue 20 min flight if same caution light came on again. Light came on again after rotation. We continued to ZZZZ with no further incident. Made maintenance log entry after arrival to ZZZZ.
Original NASA ASRS Text
Title: A B737-800 REJECTS TKOF AT 70 KTS DUE TO MASTER CAUTION LIGHT FOR THE R AFT OVERWING EMER EXIT DOOR. PREVIOUSLY DEFERRED BUT NOT DEFERRED PER MEL SPECIAL PROCS.
Narrative: AT 70 KTS, RECEIVED R AFT OVERWING DOOR MASTER CAUTION LIGHT. CAPT REJECTED. REJECTED TKOF AND AFTER LNDG CHKLIST COMPLETED, RETURNED TO GATE. R AFT OVERWING EXIT DOOR WAS ALREADY ON MEL (AIR MIC MEL 52-07, MEL 52-10). MAINT BELIEVED FAULTY JUMPER BLOCK IN PLACE FROM THE MEL MAINT ACTION. REJECTED WRITE-UP CLRED. CONTINUED WITH NO PAX IN AFT (ONLY BUSINESS CLASS). CAPT AND FO BRIEFED WITH MAINT TO CONTINUE 20 MIN FLT IF SAME CAUTION LIGHT CAME ON AGAIN. LIGHT CAME ON AGAIN AFTER ROTATION. WE CONTINUED TO ZZZZ WITH NO FURTHER INCIDENT. MADE MAINT LOG ENTRY AFTER ARR TO ZZZZ.
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.