# SDR U2RA202009096001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2020
- Submitted: September 9, 2020
- Operation: Air carrier
- Aircraft: [N952CA](https://openairdocs.org/aircraft/N952CA), registered now
- Make and model: Boeing 747428
- Aircraft serial: 25238
- Aircraft time: 101,195 hours, 15,251 cycles
- Engine: Ge CF680C2B1F
- System (JASC): [5410 · Nacelle/Pylon, Main Frame](https://openairdocs.org/jasc/5410)
- Part: Fitting
- Part number: 311U2111765B1725
- Condition: Corroded
- Location: Nr 2 Nacelle
- Part time: 101,195 hours, 15,251 cycles
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/U2RA202009096001

## Discrepancy

DURING ACCOMPLISHMENT OF SERVICE BULLETIN 747-54A2182 POST STRUT MODIFICATION INSPECTIONS OF NUMBER 2 PYLON, CORROSION WAS NOTED ON THE FORWARD UPPER SPAR FITTING AND THE WING FRONT SPAR TO STRUT UPPER LINK FITTING.  ACCOMPLISHED REPAIRS IAW STRUCTURAL REPAIR MANUAL 54-51-90-2R-5 REPAIR 5 AND 57-20-90-2R-1 REPAIR 1.

---
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.