# SDR P5CA2020121400394

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 12, 2020
- Submitted: December 15, 2020
- Operation: Air carrier
- Aircraft: N647GT
- Make and model: Boeing 767306
- Aircraft serial: 27611
- Aircraft time: 81,669 hours, 21,858 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Duct
- Part number: 38842922
- Condition: Damaged
- Location: Apu Surge Valve
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA2020121400394

## Discrepancy

DURING APU MAINTENANCE FOUND APU SURGE VALVE DUCT DAMAGED.  TRANSFERRED TO MDDR 139394, IAW DDG 49-11-01A, CAT C, DUE 22DEC20.  REMOVED AND REPLACED APU SURGE BLEED DUCT, IAW AMM 20-11-00.  APU OPERATIONS CHECK GOOD, NO DEFECTS NOTED AT THIS TIME, IAW AMM 49-11-00.  THIS CLEARS DMI 139394, MCC NOTIFIED, PLACARDS REMOVED.

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