# SDR QMLA2020042320016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2020
- Submitted: April 23, 2020
- Operation: Air carrier
- Aircraft: [N473RA](https://openairdocs.org/aircraft/N473RA), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 54045
- Aircraft time: 3,751 hours, 11,990 cycles
- System (JASC): [5302 · Rotorcraft Tail Boom](https://openairdocs.org/jasc/5302)
- Part: Attach Fitting
- Part number: 407023800129
- Condition: Cracked
- Location: Tailboom
- Component: Horiz Stab, Bell
- Component part number: 407023800107
- 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/QMLA2020042320016

## Discrepancy

DURING AIRWORTHINESS CHECK BY THE MECHANIC, HE FOUND A 1.75" CRACK IN LH UPPER HORIZONTAL STABILIZER ATTACH FITTING. *** THIS AIRCRAFT REMAINS OUT OF SERVICE AT THE TIME OF THIS SUBMISSION WHILE A BELL APPROVED CUSTOMER SERVICE FACILITY COMPLETES THE PART REPLACEMENT (LH UPPER ATTACH FITTING/ANGLE SUPPORT). ***

---
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.