SDR DALA2025100107131

Service difficulty report · Stringer · Boeing 757351

Difficulty date: September 30, 2025
Submitted: October 1, 2025
Operation: Air carrier
Aircraft: N581NW
Make and model: Boeing 757351
Aircraft serial: 32982
Aircraft time: 77,261 hours, 25,983 cycles
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Stringer
Condition: Corroded
Location: Zone 100
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

CORROSION ON STGR 30 AND SPLICE OF STGR 30 BTW STA 1600 TO STA 1620 AT AFT CARGO COMPARTMENT. CORROSION LEVEL 2. SPLICE OF STGR 30 BTW STA 1600 TO STA 1620 AT AFT CARGO COMPARTMENT WAS REPLACED PER B757-300 SRM 51-40-02-0G PAR 4B, AND PAR. 7 AND DVI WAS PERFORMED IN STGR 30 BTW STA 1600 TO STA 1620 AT AFT CARGO COMPARTMENT AND NO CORROSION WAS FOUND PER 757-300 SRM 51-00-06- 0G PAR 3 D (10) C. (1226847)