# SDR CALA2013092691488

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 26, 2013
- Submitted: September 27, 2013
- Operation: Air carrier
- Aircraft: [N776UA](https://openairdocs.org/aircraft/N776UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26937
- Aircraft time: 71,767 hours, 12,607 cycles
- Engine: Pwa PW4077
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil Filter
- Part number: 30014361
- Condition: Faulty
- Location: Apu
- 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/CALA2013092691488

## Discrepancy

APU CONTROL STATUS MESSAGE.  FOUND MAINTENANCE MESSAGE 49-12990 IN MAT DF APU CONTROLLER FAULT IAW MEL. REF: FIM 49-20 & PERFORM TASK 813.  FILTER ELEMENT(S) PCN: 265-0415 WITH PACKING 750-2671.  REPLACED THE OIL FILTER IAW AMM 49-27-03P40A, STARTED THE APU & CHECKED THE STATUS MESSAGE, NO MESSAGE.

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