# SDR CALA2026082418863

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 2026
- Submitted: August 24, 2026
- Operation: Air carrier
- Aircraft: [N4901U](https://openairdocs.org/aircraft/N4901U), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 2680
- Aircraft time: 56,060 hours, 27,570 cycles
- Engine: Iae V2527A5
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Safety Valve
- Part number: C252430022
- Part serial: 4596
- Condition: Faulted
- Location: Zone 700
- Part time: 22,180 hours, 10,142 cycles
- Stage of operation: LD
- How discovered: O
- Nature of condition: M, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026082418863

## Discrepancy

AFTER LANDING & EXIT OF TAXIWAY. INITIATED FLAPS RETRACTION, ABNORMAL RUMBLING DURING TAXI FELT. ACFT STOPPED.  AIRPORT OPS CONFIRMED BOTH MAIN TIRES ON LT SIDE BLOWN. INSPECTION AFTER A TIRE BURST, TREAD THROW, OR WHEEL FAILURE IAW AMM 05-51-15-200-001-A .   FLT CREW STATED ON DEPARTURE,  ORD TO OMA,  LT INBD BRAKE TEMP  ABOVE 380C, DURING TAXI & REQUIRED CREW TO WAIT UNTIL TEMP DROPPED BELOW 300 PRIOR TO DEPARTURE IAW SOP. CREW STATED ON ARRIVAL INTO OMA, LT INBD BRAKE TEMP PEAKED AT 700C.  AT ORD LANDING WAS FULL AUTOLAND & NO ABNORMAL FEELING ON TOUCH DOWN BUT REPORTED VIBRATION BEGAN AFTER TURNING ONTO TAXIWAY.  R & R POSITION L1 SAFETY VALVE IAW AMM 32-42-36-400-001-A UP TO AND INCLUDING STEP 4.B.(5).

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