# SDR CALA2024072300272

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 19, 2024
- Submitted: July 23, 2024
- Operation: Air carrier
- Aircraft: [N17139](https://openairdocs.org/aircraft/N17139), registered now
- Make and model: Boeing 757224
- Aircraft serial: 30352
- Aircraft time: 89,321 hours, 21,338 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hose
- Part number: 271N61192
- Part serial: NA
- Condition: Failed
- Location: Hyd System
- Stage of operation: NR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2024072300272

## Discrepancy

FOUND LH MLG DOWNLOCK ACT PRESSURE FLEX HOSE LINE FAILED AT ACT B NUT.  (REF LP #8664494) REPLACED HYD PRESSURE LINE ON LH MLG DOWNLOCK ACT PER AMM 32-32-02-404-010 FOR HOSE REPLACEMENT. STILL REQUIRES FUNCTIONAL CHECK PER ITEM 3E (12).PARTS USED: 19-3232-3-0067,QTY :1  COMPLETED FUNCTIONAL CK OF LH MLG DOWNLOCK ACT REF AMM 32-32-02-404-010 SEC 3E (12), WITH NO LEAKS OR DEFECTS NOTED.

---
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.