SDR DALA2016062204837

Service difficulty report · Exhaust Duct · Doug MD88

Difficulty date: June 22, 2016
Submitted: June 22, 2016
Operation: Air carrier
Aircraft: N998DL
Make and model: Doug MD88
Aircraft serial: 53370
Aircraft time: 64,043 hours, 46,120 cycles
System (JASC): 2150 · Cabin Cooling System
Part: Exhaust Duct
Condition: Cracked
Stage of operation: IN
How discovered: V
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

CRACKED EXAHUST ON EXTERNAL FUSELAGE SKIN BETWEEN LONGERON 20 LT AND 21 LT STA Y=256 TO Y=275. CRACKS ON EXHAUST WAS REPAIRED WITH METHOD 1 POSTERILY WITH METHOD 2 OF ER/A 464964-14MA, REV C, ETI 88-14-237, REV ORIGINAL. FPI WAS ACCOMPLISHED ON WELDED AREAS, NO CRACKS WERE FOUND IAW ETI 88-14--273 AND NDT SPM 08-00-06, PAR 8.

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