SDR DALA201904302759

Service difficulty report · Web · Boeing 757351

Difficulty date: April 26, 2019
Submitted: April 30, 2019
Operation: Air carrier
Aircraft: N586NW
Make and model: Boeing 757351
Aircraft serial: 32987
Aircraft time: 58,338 hours, 19,228 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Web
Condition: Corroded
Location: Bs 1500
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 STA 1500 S30. CORRECTIVE ACTION: STARTED REMOVAL OF CORRODED WEB AT FRAME STA. 1500 NEAR STRINGER 30. REMOVED WEB FABBED AN REPAIR ORDER. DRILLED DEBURRED & TRIMMED PER SAMPLE AND DRAWING. TREATED PER P.S. 900-2-4-1 NO2, PRIMED PER P.S. 900-3-6 NO3 AND PAINTED PER P.S. 900-3-6 NO34. INSTALLED WEB INTERCOSTAL STIFFENERS TO WEB AND INSTALLED INTERCOSTAL PER BOEING DRWG AND B757 SRM. (1047260)