# SDR IPXA2023092594242

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 23, 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: 81,334 hours, 18,152 cycles
- System (JASC): [3242 · Brake](https://openairdocs.org/jasc/3242)
- Part: Brake
- Part number: UNKNOWN
- Part serial: NA
- Condition: Inoperative
- Location: Mlg
- Stage of operation: LD
- 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/IPXA2023092594242

## Discrepancy

INSPECTION TYPE:NALEFT BRAKE LOST ALL EFFECTIVENESS AT 40 KTS FULL REVERSE USED AT SLOW SPEED PLEASE CHECK BLADES OF ENGINES 1 & 3ACCOMPLISHED GVI OF ENG 1&3 FAN AREA FOR FOD DAMAGE IAW AMM 72-00-02. NO DAMAGE FOUND, OK FOR SERVICE. 1345269 9-22-23 OPS TEST OF ASC11 OK PER AMM 32-45-01. OPS TST OK OF ABVVU IAW AMM32-48-00 1345204 9-22-23 VERIFIED BRAKE SYS 1 AND SYS 2 PRESSURE AT LH MLG TO BE 2850-3050 PSI NORMAL OPS PLEASE TO

---
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.