# SDR IPXA2019032840546

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 31, 2019
- Submitted: March 29, 2019
- Operation: Air carrier
- Aircraft: [N580UP](https://openairdocs.org/aircraft/N580UP), registered now
- Make and model: Boeing 747428F
- Aircraft serial: 25632
- Aircraft time: 101,727 hours, 17,398 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Part number: 65B0352054
- Condition: Cracked
- Location: Rt Horiz Stab
- 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/IPXA2019032840546

## Discrepancy

INSPECTION TYPE:D2 CRACK DAMAGE WAS FOUND ON RT HST T/E LOWER CHORD (P/N: 65B03520-54) AT STAB BL 421.5. REPAIR IAW SRID: 4-4363081930 AND EO B747-5510-72014-A.

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