SDR DALA2026062303740

Service difficulty report · Floor Panel · Boeing 757351

Difficulty date: June 22, 2026
Submitted: June 23, 2026
Operation: Air carrier
Aircraft: N589NW
Make and model: Boeing 757351
Aircraft serial: 32989
Aircraft time: 78,387 hours, 25,878 cycles
System (JASC): 5321 · Fuselage Floor Panel
Part: Floor Panel
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 OUT OF LIMITS, IN REF NRC 362: CORROSION ON RH SIDE PANEL UPPER/LOWER SURFACE FROM BS 1440 TO BS 1480, AT AFT CARGO COMPARTMENT IAW SRM 53-00-53-1A PROCEDURE 1 ALLOWABLE DAMAGE 1 FIG. 11 NOTE C, DETAIL IX AND B757 NDT-4-51-00-10 STEP 4. CORROSION LEVEL 2; RH SIDE PANEL FROM BS 1440 TO BS 1520, AT AFT CARGO COMPARTMENT WAS REPLACED PER SRM 51-40-02-0G PAR. 7. D. (1660278) AIRCRAFT WAS GROUNDED.