# SDR UIEA2011070800360

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 8, 2011
- Submitted: July 29, 2011
- Operation: Air carrier
- Aircraft: [N718BA](https://openairdocs.org/aircraft/N718BA), registered now
- Make and model: Boeing 747-4H6
- Registry model: [Boeing 747-4H6](https://openairdocs.org/model/boeing-747-4h6) (OpenAirDocs)
- Aircraft serial: 27042
- Aircraft time: 60,357 hours, 8,023 cycles
- System (JASC): [5314 · Fuselage Main, Keel](https://openairdocs.org/jasc/5314)
- Part: Keelbeam
- Part number: 65B109949
- Condition: Corroded
- Location: Bs 1307
- 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/UIEA2011070800360

## Discrepancy

LEVEL II CORROSION ON KEELBEAM NEAR BS 1307,WL 116, LBL 9.   CORROSION WAS BLENDED.  BLENDED AREA WAS SHOT PEENED, ALODINED, PRIMED AND TOP COATED USING WHITE ENAMEL.  A LAYER OF CORROSION COMPOND WAS APPLIED TO THE REWORKED AREA.  AFTER REWORK THE DAMAGE IS CONSIDERED ACCEPTABLE.

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