# SDR AALA202506189698

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 13, 2025
- Submitted: June 18, 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: Autothrottle Sys
- Part number: 254A115014
- Part serial: 3767
- Condition: Faulted
- Location: Zone 200
- Part time: 65,175 hours, 26,983 cycles
- 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/AALA202506189698

## 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 / FIM 32-42 TASK 813) ITEM REMAINS ON MEL.   REPLACED LEFT (AALA202506179821) AND RIGHT (AALA202506189698) (ATSP)-AUTO THROTTLE SWITCHPACK, PER AMM 76-11-07. OPERATIONAL CHECKS ARE NORMAL.

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