# SDR 8HBR20230415051

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 2023
- Submitted: April 15, 2023
- Operation: General aviation
- Filed by: [Hillsboro Aero Academy LLC, repair station 8HBR698C](https://openairdocs.org/faa-repair-station/8HBR698C/hillsboro-aero-academy-llc.md) (OpenAirDocs)
- Aircraft: [N4324D](https://openairdocs.org/aircraft/N4324D), registered now
- Make and model: Piper PA-34-220T
- Registry model: [Piper PA-34-220T](https://openairdocs.org/model/piper-pa-34-220t) (OpenAirDocs)
- Aircraft serial: 348433019
- Aircraft time: 5,106 hours
- System (JASC): [1430 · Fasteners](https://openairdocs.org/jasc/1430)
- Part: Bolt
- Part number: 402921
- Condition: Mismanufactured
- Component: Bolt, Piper
- Component part number: 402921
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/8HBR20230415051

## Discrepancy

BOLT, PIPER P/N 402-921 QUANTITY OF 8 WERE ORDERED FROM BOEING, 4 OF THE 8 DID NOT HAVE THE HOLE DRILLED THROUGH THE THREADS FOR THE COTTER PIN. PIPER TAGS ON BOLTS DATED: 01/07/2022. LINE LOT/BATCH:7365740436 ON THE INVOICE FROM BOEING.

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