SDR TWAA9814506

Service difficulty report · Intercostal · Boeing 727231

Difficulty date: August 12, 1998
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N64347
Make and model: Boeing 727231
Aircraft serial: 21634
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Condition: Corroded
Location: Bs 700
Stage of operation: IN
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

DURING CHECK-C, MAINT FOUND CORROSION ON VERTICAL INTERCOSTAL AT FS 700, STR 28L, BOTTOM MOUNTING FLANGE, BELOW FWD CARGO COMPT FLOOR LEVEL. CORRODED PARTS REMOVED AND REPLACED WITH NEW PARTS MADE OF 7075T6. TREATED, PAINTED, SEALED AND INSTALLED WITH RIVETS.