SDR ASAA2022070539338

Service difficulty report · Skin · Boeing 737890

Difficulty date: July 5, 2022
Submitted: August 5, 2022
Operation: Air carrier
Aircraft: N562AS
Make and model: Boeing 737890
Aircraft serial: 35091
Aircraft time: 58,050 hours, 17,117 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
Part number: 148A3321
Condition: Corroded
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

LOWER FUSELAGE, JSUT FWD OF APU COMPT LEFT SIDE, SKIN IS CORRODED AT LAP SPLICETIPR833K. GROUNDED - YES. REMOVED CORROSION FROM LOWER SKIN, FWD OF APU COMPT, ORIGINAL THICKNESS 0.080", WITH LOSS OF 0.004", AND 0.076" REMAINING. FOUND TO BE WITHIN LIMITS IAW B737-800 SRM 53-00-01-1A-1. ALODINED PRIMED AND PAINTED AREA IAW B737-800 SRM 53-00-01-1A-1 AND SOPM 20-44-04.T8224M.