# SDR FDEA202308231479

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 23, 2023
- Submitted: August 23, 2023
- Operation: Air carrier
- Aircraft: [N979FD](https://openairdocs.org/aircraft/N979FD), registered now
- Make and model: Boeing 757-200 SERIES
- Registry model: [Boeing 757-200 SERIES](https://openairdocs.org/model/boeing-757-200-series) (OpenAirDocs)
- Aircraft serial: 25592
- Aircraft time: 65,883 hours, 25,367 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Duct
- Part number: 353N10408
- Condition: Delaminated
- Location: Apu Inlet
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202308231479

## Discrepancy

TAIL COMPARTMENT, APU INLET DUCT IS DELAMINATED ON INTERNAL SURFACE BETWEEN BS1825 AND BS1865. REPAIRED APU INLET DUCT BY PERFORMING WET LAY UP REPAIR PER B757 SRM 51-70-17-0G AND FEDEX EA # F-  4900-T0375670

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
