SDR DALA2018092105694

Service difficulty report · Crease Beam · Boeing 757251

Difficulty date: September 20, 2018
Submitted: September 21, 2018
Operation: Air carrier
Aircraft: N546US
Make and model: Boeing 757251
Aircraft serial: 26493
Aircraft time: 71,099 hours, 22,379 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Crease Beam
Condition: Corroded
Location: Fuselage
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

CABIN CREASE BEAM ANGLE STA 440 LBL 50 CORRODED. REMOVED CORROSION FROM CREASE BEAM INNER CHORD/ANGLE STA 440 LBL 50 IAW SRM 51-10-02. PERFORMED UT INSP OF BLENDED AREA PER NDTM PT 4 51-00-10 PROC 1. ORIG MAT .071" MAT REM .052" LOSS .019" FOUND AREA OUT OF LIMITS IAW SRM 53-30-13. REMOVED DAMAGED CREASE BEAM INNER CHORD STA 440 LBL 50. FABRICATED NEW CHORD AND INSTALLED NEW CHORD ALL IAW SRM 51-40-02, AND 53-10-15.