# SDR CALA2021090601511

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 5, 2021
- Submitted: September 6, 2021
- Operation: Air carrier
- Aircraft: [N24729](https://openairdocs.org/aircraft/N24729), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28945
- Aircraft time: 70,224 hours, 24,813 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 887477
- Condition: Overheated
- Location: Hyd Sys B
- Stage of operation: NR
- How discovered: O
- Nature of condition: M, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2021090601511

## Discrepancy

HYD PUMP ELEC 1 OVERHEAT 1HR45M INTO FLIGHT ILLUMINUTED. RAN CKL IST IMMEDIATELY TURNED OFF REPLACED B SYSTEM HYD PUMP PER AMM 29-11-21-00-801-001 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1173015  SN OFF 7092 IPC REFERENCE # 29-11-21-000-801-001 PUMP, HYD ELECT  OFF 29-2910-9-0002 9267 ON 29-2910-9-0002 8685

---
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.