Service difficulty report · Plate · Boeing 7377H4

Difficulty date
January 17, 2023
Submitted
February 10, 2023
Operation
Air carrier
Aircraft
N214WN
Make and model
Boeing 7377H4
Aircraft serial
32486
Aircraft time
59,300 hours, 35,194 cycles
Part
Plate
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

EVIDENCE OF CORROSION ON LOWER FUSELAGE NO. 2 VHF ANTENNA MOUNTING PLATE<[01] REMOVED LOWER FUSELAGE NO. 2 VHF ANTENNA MOUNTING PLATE PER REF. SRM 51-40-02-0G-0.;[02] VERIFIED STEP 1.;[03] LOCATED AND DRILL NEW LOWER FUSELAGE NO. 2 VHF ANTENNA MOUNTING PLATE PER REF. SRM 51-40-05-0G-0.;[04] VERIFIED STEP 3 ; OK TO TREAT AND PRIME.;[05] TREATED LOWER FUSELAGE SKIN PER REF. AMM 51-21-41-370-802 AND TREATED AND PRIMED NO. 2 VHF ANTENNA MOUNTING PLATE HOLES PER REF. AMM 51-21-41-370-802 AND AMM 51-21-72-370-804.;[06] VERIFIED STEP 5 ; OK TO INSTALL #2 VHF ANTENNA MOUNTING PLATE.;[07] INSTALLED NO. 2 VHF ANTENNA MOUNTING PLATE PER REF. SRM 51-40-02-0G-0 AND DRAWING 146A7730.;[08] VERIFIED STEP 7.;[09] FINAL: REMOVED AND REINSTALLED NEW NO. 2 VHF ANTENNA MOUNTING PLATE PER REF. SRM 51-40-02-0G-0 AND DRAWING 146A7730.;[10] STEP 9 VERIFIED AS FINAL.

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