SDR DALA2016022201305

Service difficulty report · Duct · Doug MD88

Difficulty date: February 20, 2016
Submitted: February 22, 2016
Operation: Air carrier
Aircraft: N991DL
Make and model: Doug MD88
Aircraft serial: 53343
Aircraft time: 62,966 hours, 45,352 cycles
System (JASC): 2150 · Cabin Cooling System
Part: Duct
Condition: Cracked
Stage of operation: IN
How discovered: 9
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

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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