# SDR 2026F00066

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 28, 2026
- Submitted: April 8, 2026
- Operation: General aviation
- Aircraft: [N966AM](https://openairdocs.org/aircraft/N966AM), registered now
- Make and model: Boeing 787-8
- Registry model: [Boeing 787-8](https://openairdocs.org/model/boeing-787-8) (OpenAirDocs)
- Aircraft serial: 35311
- Aircraft time: 47,863 hours, 6,183 cycles
- Engine: Ge GENX1B70P2
- Engine time: 36,676 hours, 4,291 cycles
- System (JASC): [8300 · Accessory Gearboxes](https://openairdocs.org/jasc/8300)
- Part: Seal
- Condition: Leaking
- Location: Accessory G/B
- Part time: 21,428 hours, 2,931 cycles
- Stage of operation: CL
- How discovered: V
- Nature of condition: K
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2026F00066

## Discrepancy

LOW OIL QTY INDICATION WITH LOW PRESSURE INDICATION,  UNSCHEDULED LANDING,  VFSG LH OF ENGINE NR 1 WAS REPLACED IAW AMM DMC B787-A-24-21-09-00B-520A-A/720A-A.   ENGINE VENTS AND DRAINS INSPECTION WAS PERFORMED IAW DMC-B787-A-G71-00-00A-280A-A,  REPLACEMENT OF ENGINE ACCESSORY GEARBOX SEAL AT THE VFSG DRIVE PAD IAW AMM DMC-B787-A-G72-64-01-00A-520/720A-A.

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