Service difficulty report · Intercostal · Doug MD88

Difficulty date
June 21, 2015
Submitted
June 22, 2015
Operation
Air carrier
Aircraft
N981DL
Make and model
Doug MD88
Aircraft serial
53268
Aircraft time
63,300 hours, 46,457 cycles
Part
Intercostal
Condition
Cracked
Location
Bs 1287-1307
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

CRACKED INTERCOSTAL X=0 BETWEEN STA Y=1307 TO Y=1287 ALSO X=3 BETWEEN STA Y=1287 TO Y=1279 AT FLOOR STRUCTURE CABIN. SM, W2, CARD 301, ZONE 201. INTERCOSTAL WERE REMOVED IAW SRM 51-30-2, 51-30-5, NEW INTERCOSTAL STA: Y=1287-1307 WAS DRILLED IAW SRM 51-10-4. INTERCOSTAL STA= Y= 1287-1387 WAS DRILLED IAW SRM 51-10-4. INTERCOSTAL WAS TREATED AND PAINTED IAW SRM 51-10-3, PAR 21, 14. NEW INTERCOSTAL WAS INSTALLED IAW SRM 51-30-2. OUTFLOW VALVE CONTROL CABLE BRACKET WAS REMOVED IAW AMM 20-30-01-201. INTERCOSTAL WAS INSTALLED IAW SRM 51-30-5. DIMENSION CRACK STA Y= 1271-1307 IS 0.750 DIMENSION CRACK STA Y= 1271-1237 IS 1.500.

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