# SDR DALA2023050803602

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 5, 2023
- Submitted: May 8, 2023
- Operation: Air carrier
- Aircraft: [N658DL](https://openairdocs.org/aircraft/N658DL), registered now
- Make and model: Boeing 757232
- Aircraft serial: 24420
- Aircraft time: 96,856 hours, 44,317 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Unknown
- Condition: Unknown
- Location: Unknown
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2023050803602

## Discrepancy

SHIP 0658 -ATB- DUE TO OVERBOARD EXHAUST VALVE OPEN INDICATION, LEFT RECIRCULATION FAN OFF. CORRECTIVE ACTION: T/S R/R RELAYS K10086 AND K10497. R/R AIR/GND RELAY K201, R/R EQUIP COOLING SUPPLY FAN #1 RELAY K343. OPS CK GOOD. C/W OVERWEIGHT LANDING INSP.

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