SDR DALA2019110306401

Service difficulty report · Floor Support · Boeing 757251

Difficulty date: November 2, 2019
Submitted: November 5, 2019
Operation: Air carrier
Aircraft: N540US
Make and model: Boeing 757251
Aircraft serial: 26487
Aircraft time: 70,303 hours, 26,887 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
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

(AIRCRAFT 5640, L/P 1343138) CORROSION OUT OF LIMITS ON FLOOR STRINGER LBL 16.10, LBL 10.45, LBL 7.55, LBL 2.90 STA 653 AT FWD CARGO COMPARTMENT. (IN REF. NRC S/N 00370) (C1). CORRECTIVE ACTION: SUMMARY OF NRC S/N 00701:LEVEL CORROSION 2. STRINGERS LBL 16.10, LBL 10.45, LBL 7.55, LBL 2.90 WERE REPLACED PER B757-200 SRM 51-40-02 PAR. 4 AND 7.