SDR DALA2017031702242

Service difficulty report · Intercostal · Boeing 757232

Difficulty date: March 16, 2017
Submitted: March 21, 2017
Operation: Air carrier
Aircraft: N672DL
Make and model: Boeing 757232
Aircraft serial: 25977
Aircraft time: 80,720 hours, 35,785 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Condition: Corroded
Location: Bs 1620-1640
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, AFTER REMOVAL OF INTERCOSTAL WEB AT BS 1620 - 1640, STRINGER 29R, FOUND CORROSION ON LOWER FLANGE OF WEB. REMOVED CORROSION AND FOUND TO BE OUT OF LIMITS. REPLACED THE INTERCOSTAL WEB IAW DRAWING I46N5451, REV C, SRM 51-40-02, SRM 53 -00-04, AND 51-40-05.