SDR DALA2026062203696

Service difficulty report · Skin · Boeing 757351

Difficulty date: June 20, 2026
Submitted: June 22, 2026
Operation: Air carrier
Aircraft: N589NW
Make and model: Boeing 757351
Aircraft serial: 32989
Aircraft time: 78,387 hours, 25,878 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
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 EXTERNAL FUSELAGE SKIN AROUND OF PAN AT AFT WASTE SERVICE PANEL. FUSELAGE SKIN, BS 1540 & BS 1560, STGR 27R & STGR 29R. AFT LAVATORY SERVICE CUTOUT WAS REPAIRED IAW PRI 634692-14, REV 1, AND ENGINEERING REPAIR/AUTHORIZATION 634692-14 REV ORIGINAL SECTION I. (1656306) AIRCRAFT WAS GROUNDED.