Service difficulty report · Panel · Boeing 7377H4

Difficulty date
November 19, 2023
Submitted
January 5, 2024
Operation
Air carrier
Aircraft
N445WN
Make and model
Boeing 7377H4
Aircraft serial
29841
Aircraft time
64,695 hours, 38,824 cycles
Part
Panel
Part number
UNKNOWN
Condition
Corroded
Location
Zn 600 Right Win
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 SPOT AT R/W FRONT SPAR L/E FUEL QTY INDICATORS SUPPORT PANEL MKD DOT<[01] REMOVED REFUEL PANEL (P15) PER TASK 28-21-00-000-801; INSTALLED EWIS PROTECTION FOR MAINTENACE PER TASK 20-60-07-913-801;REMOVED AND REPLACED P15 INDICATOR FACEPLATE/BRACKET ASSY PER B737 SWPM 20-10-11 & AMM 28-41-61-000-801 & 28-41-61-400-801; WDM 28-44-11.REMOVED & REPLACED CENTER TANK REFUEL VALVE OPEN LIGHT ASSEMBLY (L284). REF. TO SWPM 20 84-20; TEST WILL BE COMPLETED ON STEP 7. REMOVED EWIS PROTECTION FOR MAINTENACE PER TASK 20-60-07-913-801 INSTALLED REFUELING PANEL P15 PER TASK 28-21-00-400-801PERFORMED REFUELING PANEL P15 INSTALLATION TEST; TEST PASSED; BONDING CHECK FOUND WITHIN LIMITS. PER B737 AMM 28-21-00-400-801.USED BONDING METER B/C 16813; DUE DATE 17-OCT-24.;[02] FINAL INSPECTION; VERIFIED STEP #1.

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