Service difficulty report · Panel · Boeing 7377BD

Difficulty date
December 3, 2022
Submitted
December 21, 2022
Operation
Air carrier
Aircraft
N7742B
Make and model
Boeing 7377BD
Aircraft serial
33928
Aircraft time
51,537 hours, 27,573 cycles
Part
Panel
Condition
Corroded
Location
Zn 100 Fus Lower
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

WASTE TANK DOOR 145AL FOUND CORROSION AT BONDING JUMPER TERMINAL CONNECTION<[01] REMOVED WASTE TANK SERVICE PANEL AS PER AMM 52-49-07-000-801.;[02] VERIFIED STEP 1. OK TO INSTALL NEW WASTE TANK SERVICE PNL 145AL.;[03] INSTALLED NEW WASTE TANK SERVICE PANEL 145AL; AS PER AMM 52-49-07-400-801.;[04] APPLIED TOPCOAT AT NEW DOOR AS PER AMM 51-21-73.;[05] VERIFIED STEPS 3 AND 4

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