# SDR UALA2011091204940

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 11, 2011
- Submitted: October 7, 2011
- Operation: Air carrier
- Aircraft: [N784UA](https://openairdocs.org/aircraft/N784UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26951
- Aircraft time: 64,536 hours, 9,180 cycles
- Engine: Pwa PW40903
- System (JASC): [2300 · Communications System](https://openairdocs.org/jasc/2300)
- Part: Diplexer
- Part number: 511610500
- Part serial: 22655
- Condition: Faulty
- Location: Satcom
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011091204940

## Discrepancy

DURING TEST FOR SATCOM SDU REPLACE MAT TEST FAILS LO NOISE AMP-DIPLEXER FOR THE LGA.  REPLACED REF AMM. SATCOM TESTS GOOD.

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