SDR SWAA2022032365535

Service difficulty report · Doubler · Boeing 737790

Difficulty date: October 21, 2019
Submitted: March 23, 2022
Operation: Air carrier
Aircraft: N562WN
Make and model: Boeing 737790
Aircraft serial: 30778
Aircraft time: 61,171 hours, 29,725 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Doubler
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*** ON ANTENNA SKIN DOUBLER IN FCB BILGE STA 500A-500B BETWEEN STR 28L-28R WL 152 (MARKED) / REMOVED ANTENNA SKIN DOUBLER ON FCB BILGE STA500A-500B BETWEEN STR 28L-28R I.A.W SRM 51-40-02-0G-0 LOCATED AND DRILLED NEW CHANNEL I.A.W DWG 143A3233 ID:0003. REV:- AND SRM 51-40-05-0G-0. INSTALLED ANTENNA SKIN DOUBLER AND NEW CHANNEL I.A.W SRM 51-40-02-0G-0. DWG 143A3233 ID:0003 REV:- AND DWG 143A3230 ID:0009 REV:D