# SDR UIEA2019082805315

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 27, 2019
- Submitted: August 28, 2019
- Operation: Air carrier
- Aircraft: [N445MC](https://openairdocs.org/aircraft/N445MC), registered now
- Make and model: Boeing 747-4B5F
- Registry model: [Boeing 747-4B5F](https://openairdocs.org/model/boeing-747-4b5f) (OpenAirDocs)
- Aircraft serial: 33515
- Aircraft time: 69,078 hours, 11,719 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Spar
- Condition: Cracked
- Location: Horizontal Stab
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2019082805315

## Discrepancy

HORIZONTAL STABILIZER, UPPER REAR SPAR AND SPLICE PLATE ZONE B #15 FASTENER HOLE CRACK FOUND AT 5TH LAYER AT 7 O'CLOCK POSITION. APPROX 0.060" IN LENGTH.  (<P>HORIZONTAL STABILIZER RH SEAL PAN #15 FASTENER HOLE CRACK AREA REPAIRED IAW RI-55-10-13692 REV. A. </P>)

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