# SDR UALA2012030101282

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 1, 2012
- Submitted: June 5, 2012
- Operation: Air carrier
- Aircraft: [N216UA](https://openairdocs.org/aircraft/N216UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30549
- Aircraft time: 48,189 hours, 6,076 cycles
- Engine: Pwa PW40903
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Blades
- Part number: 38005501
- Part serial: P1139331
- Condition: Damaged
- Location: Apu
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012030101282

## Discrepancy

APU RUNNING AT GATE FOREIGN MATERIAL EXITING APU EXHAUST.  PER AMM, CHECK MAG PLUG CHIP DETECTORS.  IF OK, CHECK INLET DUCT PATH FOR DAMAGE OR DELAMINATION IF OK REF: AMM AND INSPECT FOR DAMAGE.  COMPLETED APU REMOVAL AND INSTALL REF AMM.  DAMAGED BLADES FOUND ON BOROSCOPE.  COMPLETED APU INSTALLATION.  LEAK CHECK GOOD.

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