# SDR EIA2007035

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 22, 2007
- Submitted: March 2, 2007
- Operation: Air carrier
- Aircraft: [N471EV](https://openairdocs.org/aircraft/N471EV), registered now
- Make and model: Boeing 747273C
- Aircraft serial: 20651
- Aircraft time: 96,101 hours, 22,811 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Duct
- Part number: 65B409915
- Condition: Dented
- Location: A/C Bay
- 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/EIA2007035

## Discrepancy

FOUND A DENT APPROX 1" AT CENTER AREA OF DUCT FROM BYPASS VALVE TO ACM, NR 3 PACK.  CARRIED OUT PENETRANT INSP, ADD ALUMINUM DOUBLER, WELD AND ALODINE REPAIR PER ECRA 471-51-256-1

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