# SDR AALA202608119451

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 28, 2026
- Submitted: August 12, 2026
- Operation: Air carrier
- Aircraft: [N809NN](https://openairdocs.org/aircraft/N809NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33519
- Aircraft time: 50,197 hours, 21,258 cycles
- System (JASC): [5512 · Horizontal Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5512)
- Part: Skin
- Condition: Cracked
- Location: Zone 300
- 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/AALA202608119451

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: LH HORIZONTAL STAB LOWER SKIN CRACKED AT LH STAB STA 147.90 8" AFT OF FRONT SPAR.  MAINTENANCE INSTALLED DOUBLER AND FILLER ON LH HORIZONTAL STAB LOWER SKIN CRACKED AT LH STAB STA 147.90 8" AFT OF FRONT SPAR  IAW SRM 55-10-01-2R-11.

---
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.