# SDR AALA202104169004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 24, 2021
- Submitted: April 16, 2021
- Operation: Air carrier
- Aircraft: [N979AN](https://openairdocs.org/aircraft/N979AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29568
- Aircraft time: 35,612 hours, 14,399 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Part number: 147A85408
- Condition: Corroded
- Location: Bs 947-995 Rbl55
- 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/AALA202104169004

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CORRODED CREASE ANGLE LOCATED BETWEEN STA 947 AND 995 AT RBL 55. REPLACED CREASE ANGLE PER SRM 51-40-02 AND EA 326881.

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.