Service difficulty report · Plate · Boeing 7377H4

Difficulty date
August 2, 2023
Submitted
August 24, 2023
Operation
Air carrier
Aircraft
N224WN
Make and model
Boeing 7377H4
Aircraft serial
32493
Aircraft time
57,834 hours, 34,664 cycles
Part
Plate
Part number
UNKNOWN
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

CUSTOMER REQUEST AAI INSPECTION; - FUSELAGE LOWER LOBE- AFT ANTENNA AT STA 450; STR 27L APPROX. HAS EVIDENCE OF CORROSION FUSELAGE LOWER LOBE- AFT COVER PLATE AT STA 450 STR 27L APPROX. HAS EVIDENCE OF CORROSION<[01] REMOVED AND INSTALLED NEW AFT ALTIMETER FAIRING AT LOWER SKIN STA 450 AND BETWEEN STR 26L TO STR 27L IN REF B737-700 SRM 51-40-02-0G-0 AND BOEING DRAWING #143N3403.;[02] VERIFIED STEP 1.

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