# SDR F3LA2018082100394

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 20, 2018
- Submitted: August 21, 2018
- Operation: Air carrier
- Aircraft: [N710FR](https://openairdocs.org/aircraft/N710FR), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 7179
- Aircraft time: 8,435 hours, 3,487 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cabin
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/F3LA2018082100394

## Discrepancy

AIR TURN BACK DUE TO THE FA REPORTED A ROTTEN EGG, DIRTY SOCK ODOR.  DURING CLIMB OUT,  WITH BOTH PACKS ON.  AFTER TURNING THE NR 2 PACK OFF, THE ODOR WAS STILL APPARENT AND RETURNED TO DEPARTURE.  PERFORMED IDENTIFICATION OF CABIN ODOR IAW AMM 05-50-00-810-831-A, AND TSM 71-00-00-810-802.   NO EVIDENCE OF OIL OR SMOKE FOUND.  PERFORMED A BORESCOPE INSPECTION TO CHECK FOR WETTING OF THE NR 1 ENGINE IAW TSM 
71-00-00-810-802-A, STEPS 1 - 4A (4), NO WETTING NOTED.   PERFORMED A BORESCOPE INSPECTION TO CHECK FOR WETTING ON THE NR 2 ENGINE IAW TSM 71-00-00-810-802-A, STEPS 1 - 4A,(4). NO WETTING NOTED.

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