SDR DALA2017101907674

Service difficulty report · Intercostal · Boeing 757232

Difficulty date: October 18, 2017
Submitted: October 20, 2017
Operation: Air carrier
Aircraft: N668DN
Make and model: Boeing 757232
Aircraft serial: 25141
Aircraft time: 82,149 hours, 38,007 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Condition: Corroded
Location: Bs 1600-1620
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

AFT CARGO BAY BILGE AREA BS 1600 TO 1620, RBL 2, INTERCOSTAL CORRODED ON LEFT SIDE AT LOWER AFT END. DRILLED, LOCATED, AND TRIMED THE NEW INTERCOSTAL IAW SRM 51-40-05. TREATED, PRIMED, AND PAINTED THE INTERCOSTAL AND INSTALLED IAW SRM 51-20-01, AMM 51-21-15-370-802, SRM 51-40-02 AND DWG 146N5432, REV -.