# SDR CHQA200500073

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 5, 2005
- Submitted: April 11, 2005
- Operation: Air carrier
- Aircraft: N373SK
- Make and model: Emb EMB-135KL
- Registry model: [EMB EMB-135KL](https://openairdocs.org/model/embraer-emb-135kl) (OpenAirDocs)
- Aircraft serial: 145543
- Aircraft time: 8,946 hours, 7,291 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Odor
- Condition: Detected
- 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/CHQA200500073

## Discrepancy

C-CHECK TEST FLT,  DURING ICE TEST, DETECTED A STRONG ODOR.  MECH SAID ODOR ASSOCIATED WITH GREASE ON O-RINGS OF 14TH STAGE BLEED AIR VALVE. CREW RECEIVED NO INDS OTHER THAN ODOR, CONTINUED.  AFTER T/O, AT 1,000 FT, RECEIVED A "LAV SMOKE" WARNING, ASSOCIATED WITH ODOR.  MECH SENT TO LAV TO INVEST, INFORMED APPROACH OF IND OF SMOKE & WOULD RETURN,  EMERGENCY NOT DECLARED.  FOUND NO SMOKE OR FIRE IN LAV, BUT HAZE COULD BE SEEN.  LEVELED OFF AT 3,000 FT & TURNED BACK , ODOR DISSIPATED & LAV SMOKE IND DID NOT RETURN AFTER RESETTING. RAN "LAV SMOKE" QRH, RAN ALL NORMAL CHKLISTS, & LANDED.  NR 2 ENG SHUTDOWN.  MX PERFORMED OPS TEST OF NR 2 ENG PNEU SYS, NO EVIDENCE OF SMOKE.  CONDITION CAN'T BE DUPLICATED IAW MM.

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