# SDR IPXA13B79635

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 22, 2013
- Submitted: August 5, 2013
- Operation: Air carrier
- Aircraft: [N578UP](https://openairdocs.org/aircraft/N578UP), registered now
- Make and model: Boeing 747-45E
- Registry model: [Boeing 747-45E](https://openairdocs.org/model/boeing-747-45e) (OpenAirDocs)
- Aircraft serial: 74745E
- Aircraft time: 86,320 hours, 14,670 cycles
- System (JASC): [5314 · Fuselage Main, Keel](https://openairdocs.org/jasc/5314)
- Part: Keelbeam
- Part number: 65B01828607
- Condition: Corroded
- Location: Bs 987-1050
- 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/IPXA13B79635

## Discrepancy

INSPECTION TYPE: C, BS 987 TO 1050 KEEL BEAM BOX AREA SEVERAL LOCATIONS OF CORROSION.   REPAIRED IAW HX RI-53-49-10282, REV A & EO B747-5310-51646-A, REPAIR CLASSIFIED AS MINOR.

---
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.