# SDR UIEA2020020600198

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 4, 2020
- Submitted: February 17, 2020
- Operation: Air carrier
- Aircraft: [N1709A](https://openairdocs.org/aircraft/N1709A), registered now
- Make and model: Boeing 767375
- Aircraft serial: 24086
- Aircraft time: 93,675 hours, 21,924 cycles
- System (JASC): [4950 · APU Bleed Air System](https://openairdocs.org/jasc/4950)
- Part: Sensor
- Part number: 361144071
- Part serial: S27235
- Condition: Inoperative
- Location: Apu
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2020020600198

## Discrepancy

APU PNEUMATICS INOP (AUXILIARY POWER UNIT, PNEUMATIC FUNCTION)(C/W DDG PROCEDURE 36-11-04)(<P>TRANSFERRED TO MDDR #124303 IAW DDG 49-11-01-01. MX ACTION C/W, CAT 'C', DUE 14FEB20. MCC GLEN  NOTIFIED. PLACARDS INSTALLED.</P><P>LOG PAGE 1190476: REMOVED AND REPLACED APU FLOW SENSING MODULE I.A.W AMM 49-53-08. NO DEFECT NOTED. OPS CHECK OK.

---
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.