What was found
A/C PACKS EMIT SMELLY SOCK SMELL ON DESCENT ON BOTH LEGS THRU APPROX 15000". PERFORMED GROUND PACK RUN TEST. COULD NOT DUPLICATE ON GROUND. BOTH PACKS OPERATE NORMALLY. I REF AMM 21-51-00
- Difficulty date
- October 16, 2025
- Submitted
- October 21, 2025
- Operation
- Air carrier
- Aircraft
- N831SY
- Make and model
- Boeing 73783N
- Aircraft serial
- 28249
- Aircraft time
- 69,292 hours, 31,074 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- A/C Pack
- Condition
- Odor
- Location
- Zone 100
- Stage of operation
- DE
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.