SDR DALA2015071004256

Service difficulty report · Finger Doubler · Doug MD88

Difficulty date: July 9, 2015
Submitted: July 10, 2015
Operation: Air carrier
Aircraft: N904DL
Make and model: Doug MD88
Aircraft serial: 49535
Aircraft time: 74,354 hours, 57,047 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Finger Doubler
Condition: Corroded
Location: Bs 579-598
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

CORROSION ON INNER FUSELAGE SKIN BETWEEN BS 579 - 598 AND LONGERONS 25 - 26L. SPLICE AND FINGER DOUBLER WERE REMOVED IAW SRM 51-30-2, 51-30-5. DUE TO EXCESSIVE CORROSION IT WILL BE REPLACED IN DAMAGED AREA. FINGER DOUBLER WAS FABRICATED IAW SRM 53-04-2, FINGER DOUBLER WAS TREATED AND PAINTED IAW SRM 51-10-3, PAR 21, 14. SPLICE AND FINGER DOUBLER WERE INSTALLED IAW SRM 51-30-2, 51-30-5.

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