# SDR AALA202104019019

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 17, 2021
- Submitted: April 1, 2021
- Operation: Air carrier
- Aircraft: [N833NN](https://openairdocs.org/aircraft/N833NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31093
- Aircraft time: 32,540 hours, 13,256 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Crease Beam
- Condition: Corroded
- Location: Bs 960-1000
- 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/AALA202104019019

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: FOUND CORROSION ON CREASE ANGLE FROM STA 960 TO STA 1000 AND RBL48. REMOVED AND REPLACED CREASE ANGLE REF SRM 53-70-51.

---
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.