Service difficulty report · Skin · Boeing 737790

Difficulty date
September 30, 2019
Submitted
May 16, 2022
Operation
Air carrier
Aircraft
N557WN
Make and model
Boeing 737790
Aircraft serial
30166
Aircraft time
61,774 hours, 29,614 cycles
Part
Skin
Condition
Corroded
Location
Lower Int Fusela
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*** POSSIBLE CORROSION AROUND FASTENERS BS 358 TO 362 BETWEEN STR 27L TO 28L ON FUSELAGE INNER SKIN AND ATTACHING HARDWARE / REMOVED CORROSION ON UPPER SURFACE OF THE BS 360 SPLICE P/N 141A3523-14 BETWEEN BS 358 TO 362 AND STR 27L TO STR 28L (ON FUSELAGE INNER SKIN AND ATTACHING HARDWARE) PER ER 19-05079 AND S.R.M 51-10-02. CORROSION REMOVAL EVALUATION WITHIN ALLOWABLE LIMITS IAW SWA EA 1-753-35818 REV. IR AND ER 19-05079 REV. IR