# SDR P5CA2019092300197

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 21, 2019
- Submitted: September 23, 2019
- Operation: Air carrier
- Aircraft: [N858GT](https://openairdocs.org/aircraft/N858GT), registered now
- Make and model: Boeing 747-87UF
- Registry model: [Boeing 747-87UF](https://openairdocs.org/model/boeing-747-87uf) (OpenAirDocs)
- Aircraft serial: 37569
- Aircraft time: 33,423 hours, 5,395 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Part number: 65B03521Y7
- Condition: Cracked
- Location: Lt 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/P5CA2019092300197

## Discrepancy

CRACK - FOUND LT HST TIP FAIRING RIB CRACKED AT STAB BL 435, YB410-YB430, TTL: 3EA. REMOVED DAMAGED PART IAW SRM 51-40-02 REV 28. INSTALLED NEW PARTS IAW SRM 51-40-02 REV 28 AND DWG NR 65B03521 SHEET 06. JOB COMPLETED AND CONDITION CHECKS NORMAL. OFF PARTS (PN:65B03521U9, SN: NSN) & (PN:65B03521Y11, SN NSN)

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