Service difficulty report · Channel · Boeing 7377H4

Difficulty date
June 20, 2022
Submitted
July 28, 2022
Operation
Air carrier
Aircraft
N486WN
Make and model
Boeing 7377H4
Aircraft serial
33852
Aircraft time
59,624 hours, 35,506 cycles
Part
Channel
Condition
Corroded
Location
Fwd Service Door
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 FWD SERVICE DOOR MOP SEAL ATTACH ANGLE AT RBL 57 BS 294+18; BS 312+10. / [01] PARTIAL STEPS 1 AND 2.;[02] PARTIAL UPDATE STEPS 1 AND 2;[03] APPLIED CHEMICAL CONVERSION COATING AND PRIMER ON FWD SERVICE DOOR MOP SEAL ATTACH ANGLE AT RBL 57 BS 294+18; BS 312+10.WL 208.- IAW 737-700; AMM 51-21-72-370-804; AMM 51-21-41-370-802;[04] VERIFIED CORRECTIVE ACTIONS STEP 3; AND MEASUREMENTS.

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