# SDR CALA2022060601437

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 4, 2022
- Submitted: June 6, 2022
- Operation: Air carrier
- Aircraft: [N12216](https://openairdocs.org/aircraft/N12216), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28776
- Aircraft time: 74,537 hours, 26,773 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Diffuser
- Part number: 22156272
- Condition: Broken
- Location: Left Pack Exh Pl
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K, O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2022060601437

## Discrepancy

LEFT PACK EXHAUST PLENUM DIFFUSER DAMAGED. MOUNT BRAKETS ARE BROKE. SEE PHOTO. ADDED PART #. REMOVED AND REPLACED LEFT PACK PRIMARY HEAT EXCHANGER DIFFUSER AND PLENUM REF AMM 21-51-03-400-804-002 THRU STEP I(17). COMPLIED WITH INSTALLATION TEST REF AMM21-51-03-400-804-002. CKS GOOD. NO LEAKS DETECTED.

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