# SDR CALA2026092920006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 25, 2026
- Submitted: September 30, 2026
- Operation: Air carrier
- Aircraft: [N69810](https://openairdocs.org/aircraft/N69810), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 42744
- Aircraft time: 39,723 hours, 14,708 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [2760 · Drag Control System](https://openairdocs.org/jasc/2760)
- Part: Relay
- Condition: Faulted
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026092920006

## Discrepancy

SPEED BRAKE DID NOT ARM,  LIGHT ON . WHEN TOGA POWER WAS SELECTED FOR TAKEOFF. EXTINGUISHED WITH THRUST IDLE. LIGHT ALSO CAME ON WITH FLAP RETRACTION.AUTO THROTTLE TEST  AND SPOILER OPS. TEST PASSED. NO FAULTS SHOWING ON AUTOSPEEDBRAKE CONTROLLER.  ACCOMPLISHED HIGH ENERGY STOP INSPECTION. NO DAMAGE NOTED. IAW AMM  05-51-07-210-80145.  TROUBLESHOT PER FIM 27-62 TASK 802. PERFORMED TEST OF SMYD 1 & 2, FOUND HISTORY OF AUTOSTOW FAULT 27-62002 ON SMYD 2 BUT NO ACTIVE FAULTS. AUTOSTOW TESTS PASSED. PERFORMED TEST OF AUTO SPEEC BRAKE SYS IAW FIM 27-62, TASK 802. TEST FAILED, SPEED BRAKE DO NOT ARM, LIGHT ILLUMINATES. TROUBLESHOT UP TO STEP F 3 OF THE FIM. RELAYS R588 & R969 CHKD OK.  PERFORMED TEST OF AACU. TEST OK.  PULLED AND COLLARD SPEED BRAKES MANUALLY ACTUATE NORMAL   PERFORMED ENGINE THROTTLE SWITCH FUNCTIONAL TEST SYSTEM TEST PASSED.  PERFORMED SPEEDBRAKE AUTOSTOW ACTUATOR AUTOMATIC GROUND TEST TEST PASSED.  PERFORMED STEPS IAW FIM 27-62 TASK 802 REF TASK 27-62-33-820-801 REF TASK 27-62-00-720.

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