# SDR IPXA2022041081019

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 2, 2022
- Submitted: May 26, 2022
- Operation: General aviation
- Aircraft: [N143UP](https://openairdocs.org/aircraft/N143UP), registered now
- Make and model: Airbus A300 F4-622R
- Registry model: [Airbus A300 F4-622R](https://openairdocs.org/model/airbus-a300-f4-622r) (OpenAirDocs)
- Aircraft serial: 0826
- Aircraft time: 23,590 hours, 14,806 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Cooling Duct
- Part number: EVT3745B
- Part serial: 02126
- Condition: None
- Location: Cabin
- Stage of operation: CR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2022041081019

## Discrepancy

INSPECTION TYPE:NA** SUPPLEMENTAL SDR** EXTREMELY LOUD SQUEEL FROM COOLING DUCTING IN E/E COMPARTMENT INFLIGHT SOUNDED LIKE A BEARING FAILURE FOLLOWED BY QUIET. TRANSFERRED TO NRC 244472AVIONIC FAN REMOVED IAW A300-600 MM CHPT 21-21-11-0401 PG1-3. VERIFED EFF PN IAW IPC 21-21-01-18J-100. OK TO INSTALL. INSTALLED AVIONIC FAN IAW A300-600 AMM CHPT 21-21-11-0403 PG 1-3. OPS CHECK GOOD IAW AMM 21-21-11-0401.

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