# SDR CALA2018010600070

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 6, 2018
- Submitted: January 7, 2018
- Operation: Air carrier
- Aircraft: [N68834](https://openairdocs.org/aircraft/N68834), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 44564
- Aircraft time: 11,863 hours, 4,208 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cabin
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2018010600070

## Discrepancy

FUMES OR SMOKE IN CABIN,  PNEUMATIC POWER SUPPLIED BY THE NR 1 ENGINE,  MILD ENGINE EXHAUST ODOR  IN COCKPIT DURING DESCENT AND LANDING. BOTH BLEEDS AND PACKS ON.  OPERATED BOTH ENGINE BLEEDS ONE AT A TIME,  BOTH PACKS,  NO FUMES OR SMOKE ODORS PRESENT.  OPERATED THE WING AND ENGINE ANTI-ICE,  NO ODORS OR FUMES.   OPERATED APU AND BOTH PACKS SLIGHT ODOR FOR ABOUT 1 MINUTE.  CHECKED APU BLEED DUCT FOR OIL AND APU INLET FOR OIL AND DEICE FLUID,  NONE FOUND.  CHECKED CABIN LIGHTING AND GALLEYS FOR ELECTRICAL,  ODORS NONE FOUND IAW AMM 05-51-26.

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