Service difficulty report · Skin · Boeing 737790

Difficulty date
November 28, 2018
Submitted
February 25, 2022
Operation
Air carrier
Aircraft
N560WN
Make and model
Boeing 737790
Aircraft serial
30542
Aircraft time
61,010 hours, 28,915 cycles
Part
Skin
Condition
Corroded
Location
Aft Fuselage
Stage of operation
IN
How discovered
9
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 SKIN UNDER VERTICAL STAB 1013-1093 BETWEEN STR 3L-3R / CORROSION WAS FOUND ON EXTERNAL SKIN STA. 1016-1088; STR. 3L-3R IN AREA OF 78.0'L X 30.0'W X .005'D FOUND IN LIMITS PER SRM 53-00-01-1A-1; FIG. 103; DET. C+D. AREA @ STA. 1030-1041 STR. 2L-2R EXCEEDS .10' AROUND EXISTING DOUBLER. NO DAMAGE PERMITTED PER SRM 53-00-01-1A-1 FIG 103 DET. IV. REPAIRED SKIN @ STA. 1016-1088 PER ER# 18-06120 REV IR AND EA# 1-753-33912 REV IR