# SDR CALA2018082001824

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 2018
- Submitted: August 20, 2018
- Operation: Air carrier
- Aircraft: [N27959](https://openairdocs.org/aircraft/N27959), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 36407
- Aircraft time: 14,423 hours, 1,338 cycles
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: O-Ring
- Condition: Leaking
- Location: Fuel Coupling
- Stage of operation: IN
- How discovered: V
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2018082001824

## Discrepancy

FLUID LEAKING FROM THE LT L/E DRAIN, JUST INBD OF ENGINE.  LEAKAGE CONFIRMED FROM LT ENG MAIN FUEL SUPPLY LINE COUPLING AT FRONT SPAR ADJ IFSS 517 O/B OF ENG PYLON.  REPLACED COUPLING O-RINGS IAW AMM 20-10-19-00A-720A,  PRESSURE CHECKED AND NO LEAKS EVIDENT ON INSTALLATION.

---
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.