SDR ASAA2015121114372

Service difficulty report · Skin · Boeing 737790

Difficulty date: December 11, 2015
Submitted: December 23, 2015
Operation: Air carrier
Aircraft: N626AS
Make and model: Boeing 737790
Aircraft serial: 30793
Aircraft time: 50,452 hours, 22,479 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Skin
Part number: 143A3232
Condition: Corroded
Location: Bs 500-500a
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 EXTERNAL FUSELAGE, UHF/L NR 1 & NR 2 TELEPHONE ANTENNA MOUNTING AREA CORRODED AT BS 500+8 AND 500A+12. ACFT GROUNDED. REMOVED CORROSION AT BS 500+8 IAW SRM 53-00-01, ORIGINAL THICKNESS .063 IAW 53-30-01, REMAINING .058, REMOVED .005 AT BS 500A+12 ORIG THICKNESS .063 REMAINING .059 REMOVED .004 BOTH FOUND TO BE WITH IN LIMITS IAW SRM 53-00-01 T8225Q, CAL DUE 05-21-2016 ALODINED IAW SRM 51-20-01 .