SDR DALA2022061004094

Service difficulty report · Doubler · Boeing 757351

Difficulty date: June 6, 2022
Submitted: June 10, 2022
Operation: Air carrier
Aircraft: N586NW
Make and model: Boeing 757351
Aircraft serial: 32987
Aircraft time: 66,738 hours, 21,959 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Doubler
Condition: Corroded
Stage of operation: IN
How discovered: O
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

SHIP 5806 CORROSION ON INTERNAL PAN DOUBLER, ABOVE AFT LAVATORY SERVICE PANEL AREA, BTW STA. 1540 TO 1560 AND BTW S- 29R TO S-27R AT AFT CARGO COMPARTMENT. CORRECTIVE ACTION: SUMMARY OF NRC00102 INTERNAL PAN DOUBLER, ABOVE AFT LAVATORY SERVICE PANEL AREA, BTW STA. 1540 TO 1560 AND BTW S-29R TO S-27R WAS REPAIRED PER ER/A 599862-14 REV: ORIGINAL; SECTION II: PERMANENT REPAIR FOR THE INTERCOSTAL, PRI 525948-14 REV. 3 SECTION IV. (2265744)