Service difficulty report · Scoop · Doug MD88

Difficulty date
August 1, 2013
Submitted
April 12, 2016
Operation
Air carrier
Aircraft
N971DL
Make and model
Doug MD88
Aircraft serial
53214
Aircraft time
65,179 hours, 47,921 cycles
Part
Scoop
Condition
Cracked
Location
Ram Air
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

RAM AIR SCOOP CRACKED VERT. LT. SIDE. TRANSFERRED STEP 1 FROM PRI 517410-14, REMOVED DAMAGED AREA WITH A 4" X 8.5" X 2" CUTOUT. STEP 2, HFEC COMPLETED. ALL INFO TRANSFERED FROM PRI NR 552071. ACCOMPLISED BNEC IAW SPM06-10-01.003, NO CRACKS QC 2021. TRANSFERED STEP 4 FROM PRI 517410-14 FORM FILLER FROM 6 061-0, .050". HEAT TREAT IAW PS 900-4-1, NR 1 CONDUCTIVITY TEST PERFORMED ON REPAIR FILLER IAW PS 900-4-NR 1 FOUND TO BE 45 PERCENT IACS. REF.PRI 517410-14, REV ORIGINAL. TRANSFERED FROM PRI 517410-14. WELDED REPAIR IAW SRM 55-05, ACCOMPLISHED FPI IAW PSM-900-6-1, 2, NO CRACKS-QC. REDEFERRED LOG TO QC, ESTABILISHED MONITOR INSPECTION 10-0553-8-7369, SN 971, REP SEC I. REPAIR LIMIT TO 4000 FH OR 547 DAYS, RESTRICTION REVISED ACCORDINGLY ASSOCIATED ER/A 00-420329 ADDED FOR AC 0971. DVI WAS PERFORMED AND CRACK WAS FOUND. REPAIR WAS ACCOMPLISHED IAW ER/A 420329-14MA REVISION "C" TIME LIMITED INSTRUCTIONS SRM 55-05, PAR 4. PERFORM REPETITIVE VISUAL INSPECTION WITHIN EVERY "C" CHECK LIMIT, 4000 FLIGHT HOURS OR 547 DAYS IAW ER/A NR 420329-14MA, REV "C" SECTION 1.

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