SDR 08FDEA02994

Service difficulty report · Intercostal · Boeing 727233

Difficulty date: July 21, 2008
Submitted: July 23, 2008
Operation: Air carrier
Aircraft: N273FE
Make and model: Boeing 727233
Aircraft serial: 22038
Aircraft time: 42,262 hours, 26,602 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Part number: 69471112
Condition: Corroded
Location: Bs 740
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

DELTA BEAM AT STA 740 HAS CORROSION AROUND AND UNDER HEADS OF SEVERAL FASTENERS. CAN BE SEEN THRU ACCESS HOLE BELOW BEAM. REMOVED CORROSION. ORIGINAL "T" .107 LOSS AT LOWEST POINT IS .028 REMAINING "T" IS .079. OUT OF LIMITS REF SRM 53-10-1 FIG 101 DETAIL I. REMOVED FWD DELTA BOX INTERCOSTAL REF 51-30-2 PG 1-6 MANUFACTURED NEW INTERCOSTAL P/N 69-47111-2 REF DWG 69-47111. TREATED AND PRIMED REF SRM 51-10-2 PG 7. INSTALLED REF SRM 51-30-2 PG 1-6.