# SDR CALA2021040800438

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 2021
- Submitted: April 9, 2021
- Operation: Air carrier
- Aircraft: [N33294](https://openairdocs.org/aircraft/N33294), registered now
- Make and model: Boeing 737824
- Aircraft serial: 34000
- Aircraft time: 47,917 hours, 17,077 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- Condition: Cracked
- Location: Horizontal 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/CALA2021040800438

## Discrepancy

CRACK FOUND ON L/H HORIZONTAL STAB LOWER IN-SPAR SKIN PANEL RIB STA 147-90 18IN FWD OF THE T/E I/B RIVET LINE CRACK LENGTH 1IN REF AAR N/R 9614381 REPAIRED L/H HORIZONTAL STAB LOWER IN-SPAR SKIN PANEL RIB STA 147-90 18IN FWD OF T/E AS PER REF B737 SRM 55-10-01 FIG 204 WORK ACCOMPLISHED BY V930498

---
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.