# SDR CALA2024072400275

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2024
- Submitted: July 24, 2024
- Operation: Air carrier
- Aircraft: [N652UA](https://openairdocs.org/aircraft/N652UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 25390
- Aircraft time: 125,076 hours, 19,132 cycles
- System (JASC): [2433 · DC Rectifier/Converter](https://openairdocs.org/jasc/2433)
- Part: Trans Rectifier
- Part number: 427303
- Part serial: 2066
- Condition: Faulted
- Location: Zone 100
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2024072400275

## Discrepancy

767 FUEL FEED SYSTEM HEALTH CHECK - LH FWD BOOST PUMP - VOLTAGE INBALANCE OF FWD LH FUEL PUMP OUT OF TOLERANCE. LH TRANSFORMER RECTIFIER UNIT REPLACED AS PER AMM 24-32-01-004-001 AND 24-32-01-404-005. LH TRU OP-CHECK TEST OK, FWD LH FUEL PUMP VOLTAGE INBALANCE NOW WITHIN LIMITS.   LH TRANSFORMER RECTIFIER UNIT REPLACED AS PER AMM 24-32-01-004-001 AND 24-32-01-404-005. LH TRU OP-CHECK TEST OK, FWD LH FUEL PUMP VOLTAGE INBALANCE NOW WITHIN LIMITS.

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