# SDR YENA2026052600481

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 21, 2026
- Submitted: May 26, 2026
- Operation: Air carrier
- Aircraft: [N558JB](https://openairdocs.org/aircraft/N558JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 01915
- Aircraft time: 86,312 hours, 31,611 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Leaking
- Location: Nr 1
- 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/YENA2026052600481

## Discrepancy

FLT#773, BOS-AUA. DURING DESCENT FA REPORTED DIRTY SOCK SMELL DESCENDING THRU 6000FT ROW 12-21 LASTED ( PACKS ); CORRECTED 2 AIR LEAKS AT PACK #1  CONNECTIONS TO ACM.  OPS CHK OF #1 PACK OPS CHK OK.  REF MM 21-52-41.  #2 PACK AT NORMAL OPERATING TEMPS OPS CHK OK. NO LEAKS.  REF LOGPAGE 4627045 ITEM #1 FOR R/R OF APU COOLING FAN FOUND LEAKING DURING REQUESTED  INSPECTION.    MDDR # 618517  CLEARED   MX-4 UPDATED, PLACARDS REMOVED MCC NOTIFIED.

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