# SDR CALA2026012613252

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 2026
- Submitted: January 27, 2026
- Operation: Air carrier
- Aircraft: [N57863](https://openairdocs.org/aircraft/N57863), registered now
- Make and model: Boeing 757-33N
- Registry model: [Boeing 757-33N](https://openairdocs.org/model/boeing-757-33n) (OpenAirDocs)
- Aircraft serial: 32587
- Aircraft time: 73,310 hours, 22,328 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil System
- Condition: Overserviced
- Location: Apu
- Stage of operation: NR
- How discovered: O
- Nature of condition: W, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026012613252

## Discrepancy

APU PANDA LIST HAS IDENTIFIED A PERSISTENT EXHAUST ODOR IN CABIN AND RECOMMENDS TROUBLESHOOTING IAW FIM 49-11 FT 895. UPDATE LOG WITH FINGINGS. CARRIED BY ELB PERFORMED FIM 49-11-4FT895, EXAMINED THE COMPRESSOR DISCHARGER AND BLEED AIR DUCT. FOUND NO OIL CONTAMINATANT. NO OIL LEAKAGE FROM APU. FOUND APU OIL OVER FILLED. PERFORMED APU OIL DRAIN IAW AMM 12-13-04. PER TECH SUPPORT REPLACED HEPA FILTER IAW AMM 21-25-02. RAN LT & RT PACK. FOUND NO EXHAUST FUME ODOR IN CABIN.

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