# SDR UIEA2021031000511

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 9, 2021
- Submitted: March 10, 2021
- Operation: Air carrier
- Aircraft: [N1427A](https://openairdocs.org/aircraft/N1427A), registered now
- Make and model: Boeing 767306
- Aircraft serial: 28098
- Aircraft time: 83,090 hours, 18,173 cycles
- System (JASC): [4950 · APU Bleed Air System](https://openairdocs.org/jasc/4950)
- Part: Module
- Part number: 38850811
- Part serial: ANA01Z
- Condition: Malfunctioned
- Location: Flow Sensing
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021031000511

## Discrepancy

APU PNEUMATICS INOP ( AUXILIARY POWER UNIT, PNEUMATIC FUNCTION )(<P>TRANSFERRED TO MDDR 143579 IAW MEL 49-11-01-01, CAT C.</P><P>LP 1312385: REPLACED FLOW SENSING MODULE IAW 49-53-08. OPS CHECK GOOD. THIS CLOSES MDDR #143579. PLACARD REMOVED. TI: YK 1815Z.<BR /></P>)

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