# SDR UIEA2021081201773

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 11, 2021
- Submitted: August 16, 2021
- Operation: Air carrier
- Aircraft: [N1709A](https://openairdocs.org/aircraft/N1709A), registered now
- Make and model: Boeing 767375
- Aircraft serial: 24086
- Aircraft time: 23,007 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Pneumatic System
- Condition: Malfunctioned
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021081201773

## Discrepancy

APU FAULT DUE TO PNEUMATICS SURGING(<P>FWD TO MEL AND PLAC 49-11-01A, CAT C, DUE 21AUG21. MDDR 151717.</P> / <P>REF LOGPAGE 1439202  ITEM 5: T/S PER FIM 49-11 F/T 976 TO BLOCK 28. NO SURGING OR FLUCUATION NOTED . 3 SUCCESSFUL APU STARTS ACCOMPLISHED AND LOAD PLACED ON APU . NO FAULTS NOTED , APU OPS NML AT THIS TIME. THIS CLEARS MDDR 151717, PLAC REMOVED.</P>)

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