# SDR 97UAL900374

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N773UA](https://openairdocs.org/aircraft/N773UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26929
- Engine: Pwa PW4077
- System (JASC): [2312 · VHF Communications System](https://openairdocs.org/jasc/2312)
- Part: Vhf Antenna
- Part number: DMC18011
- Condition: Cracked
- Location: Lwr Fuselage
- Part time: 6,935 hours
- 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/97UAL900374

## Discrepancy

ON WALK-AROUND, FOUND LOWER FORWARD VHF ANTENNA CRACKED COMPLETELY THROUGH.  *S/D*  MODELS OF ANTENNA, P/N DMC 180-1-1 HAVE DEMONSTRATED SUSCEPTIBILITY TO SPLITTING AND CRACKING.  PRODUCTION HAS BEEN DISCONTINUED AND REPLACEMENT ANTENNA WILL BE OF PART NUMBER DMC 50-17.  REPLACEMENT WILL BE BY ATTRITION IN CONJUNCTION WITH AN ASSOCIATED ANTENNA RELOCATION PROJECT.

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