# SDR DALA2016022201305

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 20, 2016
- Submitted: February 22, 2016
- Operation: Air carrier
- Aircraft: N991DL
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 53343
- Aircraft time: 62,966 hours, 45,352 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Duct
- Condition: Cracked
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2016022201305

## Discrepancy

CRACKS ON Y DUCT, UPPER SETTLEMENT AREA, 1 EA LUGS, 2 EA AND NEAR OF FLANGE 1EA. CRACKS ON Y DUCT WERE REPAIRED, WELDED) IAW SOPM 20-10-19 AND ERA 503276-11 MA REV C AND WAS TREATED AND PAINTED IAW SRM 51-10-3, PAR 14 AND 21.  FPI WAS ACCOMPLISHED ON "Y" DUCT, NO CRACKS FOUND IAW ER/A 503276-14MA, REV C.

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