# SDR UIEA2018040400566

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 27, 2018
- Submitted: April 6, 2018
- Operation: Air carrier
- Aircraft: [N1427A](https://openairdocs.org/aircraft/N1427A), registered now
- Make and model: Boeing 767306
- Aircraft serial: 28098
- Aircraft time: 76,471 hours, 15,947 cycles
- System (JASC): [4950 · APU Bleed Air System](https://openairdocs.org/jasc/4950)
- Part: Valve
- Part number: 97980612
- Part serial: 2315C
- Condition: Malfunctioned
- Location: Apu
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2018040400566

## Discrepancy

PNEMATIC DUCT PRESSURE LOW DURING ON THE LT ENGINE START.    REPLACED THE APU SURGE VALVE IAW AMM 49-53-01-004-001, AND 49-53-01-404-010, REV 123. OPS CHECKED NORMAL.

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