# SDR 200200185

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 2002
- Submitted: March 21, 2002
- Operation: Air carrier
- Filed by: [Marana Aerospace Solutions Inc, repair station ERKR675D](https://openairdocs.org/faa-repair-station/ERKR675D/marana-aerospace-solutions-inc.md) (OpenAirDocs)
- Aircraft: N479EV
- Make and model: Boeing 747132
- Aircraft serial: 19898
- Aircraft time: 94,071 hours, 25,344 cycles
- Engine: Pwa JT9D7F
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Flange
- Condition: Cracked
- Location: Case
- 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/200200185

## Discrepancy

CRACK FROM -R- FLANGE LIGHTENING HOLE TO THE OUTER FLANGE AT THE 6 O'CLOCK POSITION.  WELDED PER EIA ECRA 685755-72-010-1 AND 747 MM 72-53-02.

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