# SDR MK1Y201904210002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2019
- Submitted: April 21, 2019
- Operation: General aviation
- Filed by: [Bedek Aviation Group, repair station MK1Y325K](https://openairdocs.org/faa-repair-station/MK1Y325K/bedek-aviation-group.md) (OpenAirDocs)
- Aircraft: [N356KD](https://openairdocs.org/aircraft/N356KD), registered now
- Make and model: Boeing 747446F
- Aircraft serial: 26356
- Aircraft time: 73,546 hours, 15,270 cycles
- Engine: Ge CF680C2*
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Tension Tie
- Part number: 144U006466
- Condition: Mislocated
- Location: Bs 1160-1200
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MK1Y201904210002

## Discrepancy

TENSION TIES FRAME STA 1160&1200 BETWEEN L/RBL48-L/RBL70  STA 1200-THE DWG REQUIRES 47 FASTENERS HOLES DIA 1/4" ON EACH SIDE BUT 55 HOLES WERE DRILLED.   STA 1160-THE DWG REQUIRES 53 FASTENERS HOLES DIA 1/4" ON EACH SIDE BUT 59 HOLES WERE DRILLED

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