SDR DALA2015020200836

Service difficulty report · Crease Beam · Boeing 757351

Difficulty date: February 1, 2015
Submitted: February 2, 2015
Operation: Air carrier
Aircraft: N594NW
Make and model: Boeing 757351
Aircraft serial: 32994
Aircraft time: 41,658 hours, 13,881 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Crease Beam
Condition: Corroded
Location: Left
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

CORROSION ON LT CREASE BEAM INNER ANGLE. REMOVED CORROSION IAW 53-30-15 ALLOWABLE DAMAGE 1, DETAIL VI , AND FOUND OUT OF LIMITS IAW SRM 53-30-15 ALLOWABLE DAMAGE 1 DETAIL. REMOVED AND REPLACED THE INNER ANGLE IAW SRM 51-40-02, PG30, FIG 8 AND PG 6 PARA D, SRM 51-4002, DETAIL 1, AND SRM 51-40-02, PG 21, FIG 4 AND PG 6, PARA D.