# SDR IPXA2023092594241

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2023
- Submitted: September 25, 2023
- Operation: Air carrier
- Aircraft: [N257UP](https://openairdocs.org/aircraft/N257UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48451
- Aircraft time: 81,332 hours, 18,151 cycles
- System (JASC): [3242 · Brake](https://openairdocs.org/jasc/3242)
- Part: Brake
- Part number: UNKNOWN
- Part serial: NA
- Condition: Overtemp
- Location: Mlg
- Stage of operation: CR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2023092594241

## Discrepancy

EMERGENCY DECLARED,  BRAKE DIFF TEMP L1 CLIMBING THRU 12,000 FEET #5 BRAKE APPEARED TO BE DRAGGING ON T/O AP THE TEMP REACHED 370 DEG AND WAS CLIMBING RAN L1 CHECKLIST THEN DROPPED GEAR FOR COOLING MAX TEMP WAS 410 DEG DECREASED TO 300 QUICKLY WITH GEAR DOWN AT 16,000R/R BRAKE ASSY REF 32 43 20 R/R #5 MLG TIRE REF 32 41 01 OPS CHECK GOOD AT THIS TIME

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