# SDR DALA2021012900547

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 28, 2021
- Submitted: January 29, 2021
- Operation: Air carrier
- Aircraft: [N988AT](https://openairdocs.org/aircraft/N988AT), registered now
- Make and model: Boeing 717-200
- Registry model: [Boeing 717-200](https://openairdocs.org/model/boeing-717-200) (OpenAirDocs)
- Aircraft serial: 55068
- Aircraft time: 50,721 hours, 34,218 cycles
- System (JASC): [5531 · Vertical Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5531)
- Part: Spar Cap
- Condition: Cracked
- Location: Vert Stabilizer
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2021012900547

## Discrepancy

ONE EACH FASTENER HOLE WITH A BHEC CRACK INDICATION ON RT VERTICAL STABILIZER LEADING EDGE FRONT SPAR CAP FORWARD FLANGE.  CRACK IS IN FIRST FASTENER HOLE BELOW ZFS=52.267, MARKED.  REFERENCE: AA 5530-01048, AD 2018-10-08 STEP 16B.  COMPLIED WITH PRI 589482-14AD REV O-2, PRI 589482-14AD REV O-2 MATCHES ER/A 589482-14AD REV O, REPAIR PER ER/A 589482-14AD REV O.

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