# SDR UIEA2021013100159

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 31, 2021
- Submitted: February 3, 2021
- Operation: Air carrier
- Aircraft: [N1427A](https://openairdocs.org/aircraft/N1427A), registered now
- Make and model: Boeing 767306
- Aircraft serial: 28098
- Aircraft time: 82,828 hours, 18,095 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Switch
- Part number: 38760244
- Part serial: 1152
- Condition: Failed
- Location: Apu Bay
- Stage of operation: TX
- How discovered: V
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021013100159

## Discrepancy

APU FAULT ON TAXI IN.  DEFERRED PER MEL 49-11-01A MDDR 141738 CAT C 10FEB21 DUE DATE.  DP @ 18:43 02FEB21 LOG PG 1209084 ITM 15 RIV.  R & R APU LOW OIL PRESSURE SWITCH PER AMM 49-94-02.  OPS TEST OF APU NORMAL.  NO DEFECTS NOTED.  THIS CLEARS DMI 141738.  PLACARDS REMOVED.

---
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.