# SDR CALA2013112193152

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 18, 2013
- Submitted: November 22, 2013
- Operation: Air carrier
- Aircraft: [N772UA](https://openairdocs.org/aircraft/N772UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26930
- Aircraft time: 72,935 hours, 12,974 cycles
- Engine: Pwa PW4077
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Duct
- Part number: 213W21209
- Condition: Cracked
- 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/CALA2013112193152

## Discrepancy

RT PACK Y-DUCT AFT OF OZONE CONVERTER CRACKED.  IAW IPC 21-73-01-001 ITEM.65 PN 213W2120-9 PCN 120-2209.  REPLACED DUCT, NO LEAKS NOTED.

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