# SDR 97UAL900610

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 9, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N1856U
- Make and model: Doug DC-10-30
- Registry model: [Doug DC-10-30](https://openairdocs.org/model/mcdonnell-douglas-dc-10-30) (OpenAirDocs)
- Aircraft serial: 46975
- Engine: Ge CF650C2
- System (JASC): [5415 · Nacelle/Pylon, Attach Fittings](https://openairdocs.org/jasc/5415)
- Part: Fitting
- Part number: AUB7000504
- Condition: Cracked
- Location: Nr 1 Pylon
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97UAL900610

## Discrepancy

THE NR 1 PYLON RIGHT-HAND TRUSS FITTING IS CRACKED.  THE CRACKS PROPAGATE FROM THREE FASTENER HOLES.  THE CRACKS ARE NOT CONTINUOUS AND DO NOT EXTEND INTO FILLET RADIUS.  *S/D*  INSTALLED INTERIM REPAIR PER EVA SFO-1503 AND ALERT BULLETIN A54-99/A54-103.  THE TRUSS FITTING WILL BE REINSPECTED EVERY 250 FLIGHT HOURS UNTIL PERMANENT REPAIR IS ACCOMPLISHED WITHIN 2 YEARS.

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