# SDR AALA202506179821

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 13, 2025
- Submitted: June 17, 2025
- Operation: Air carrier
- Aircraft: [N967NN](https://openairdocs.org/aircraft/N967NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31214
- Aircraft time: 30,074 hours, 12,398 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Autobrake Sys
- Condition: Faulted
- Location: Zone 700
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202506179821

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: AUTO BRAKE DISARM LIGHT STAYS ILLUMINATED. CHECKED FAULT HISTORY AND FOUND AACU PREVIOUSLY REPLACED. PERFORMED AACU BITE REF FIM 32-42-00-810-801 AND FOUND "PWR A/B" FAILURE. CONTINUED T/S REF. FIM 32-42-00-810-826 AND FOUND 26VDC AT D1040B PINS A11 AND C9. NEEDS FURTHER T/S REF. FIM 32-42-00-810-826 STEP F.(2) (THRUST LEVER SWITCH'S / FIM 32-42 TASK 813) ITEM REMAINS ON MEL.  (OPEN).

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
