# SDR ASAA2018121627419

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 16, 2018
- Submitted: December 18, 2018
- Operation: Air carrier
- Aircraft: [N517AS](https://openairdocs.org/aircraft/N517AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35197
- Aircraft time: 38,546 hours, 11,415 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Plenum
- Part number: 22156292
- Condition: Damaged
- Location: Ac Bay
- 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/ASAA2018121627419

## Discrepancy

RT PRIMARY PLENUM DAMAGE WHILE PERFORMING HEAT EXCHANGER WASH. GROUNDED - YES. REMOVED AND REPLACED RT PRIMARY HEAT EXCHANGER PLENUM DIFFUSER ASSY IAW AMM 21-51-03. LEAK AND OPS CKS GOOD.

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