# SDR CALA2026020413546

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 2, 2026
- Submitted: February 4, 2026
- Operation: Air carrier
- Aircraft: [N34551](https://openairdocs.org/aircraft/N34551), registered now
- Make and model: Airbus A321-271NX
- Registry model: [Airbus A321-271NX](https://openairdocs.org/model/airbus-s-a-s-a321-271nx) (OpenAirDocs)
- Aircraft serial: 12817
- Aircraft time: 601 hours, 227 cycles
- System (JASC): [3810 · Potable Water System](https://openairdocs.org/jasc/3810)
- Part: O-Ring
- Part number: NSA8203015
- Condition: Damaged
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026020413546

## Discrepancy

FOUND WATER DRIPPING FROM BELLY DRAIN FWD OF FWD CARGO DOOR CONTROLS. WATER POOLING BELOW 80VU RACK. TRACED WATER BACK FROM BELOW 80VU RACK TO A WIGGINS FITTING FWD OF ACCLRM 12CE1 AND 12CE3. DISSASEMBLED FITTING REF AMM 20-23-38-000-001-A, FOUND FITTING COVERED IN A WEIRD WHITE PASTE AND ONE OF THE O-RINGS DAMAGED. REQUIRES NEW ORINGS AND NEW FITTING. REPLACED LEAKING FLEX COUPLING BEHIND FWD LH CARGO SIDEWALL PANEL C (3RD LH PNL. '21'), REF. 20-23-38-410-062-A. WATER SYS.FILLED AND PRESSURIZED, NO LEAKS FOUND, REF. AMM 12-15-38-613-001-A. H2O DISINFECT & FWD PIT PANEL, H2O INSULATION AND LINE HEATER ELEMENT IN FWD ON ADDITIONAL LOG PAGES. INSULATION IS DRY AND CLEAN, ALL WATER IN AREA HAS DRAINED, REF. LP 7797567.

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