SDR DALA2015101906280

Service difficulty report · Door Sill · Boeing 757251

Difficulty date: October 16, 2015
Submitted: October 20, 2015
Operation: Air carrier
Aircraft: N540US
Make and model: Boeing 757251
Aircraft serial: 26487
Aircraft time: 54,847 hours, 22,634 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Door Sill
Condition: Corroded
Location: Bs 1440
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 COMPARTMENT BS 1440, RBL20, DOOR SILL LOWER ANGLE FWD OF STANTION FITTING HAS AREAS OF CORROSION. REMOVED CORROSION AT BS 1440, RBL 20, DOOR SILL LOWER ANGLE, ORIGINAL MATERIAL THICKNESS .140", LOSS OF .025" WITH .115" REMAINING IS OUT OF LIMITS IAW SRM 53-60-15, PAGE 107, FIG 101 DETAIL VIII. COMPLIED WITH PRI 537913-14, REV 0 AND ER/A 537913-14 REV ORIGINAL FOR EXTENDED LIMITS ASSOCIATED ER/A 53-791314 ADDED FOR AC 5640.