Service difficulty report · Skin · Boeing 7377H4

Difficulty date
June 26, 2018
Submitted
February 15, 2022
Operation
Air carrier
Aircraft
N253WN
Make and model
Boeing 7377H4
Aircraft serial
32511
Aircraft time
42,103 hours, 24,748 cycles
Part
Skin
Condition
Corroded
Location
Lower Int Fusela
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

#3 RADIO ALTIMETER ANTENNA MOUNT AREA HAS SURFACE CORROSION ON SKIN / REMOVED CORROSION ON FUSELAGE SKIN JUST AFT OF #3 RADIO ALTIMETER AT BS 433 LBL3 IAW SRM 51-10-02-0G-0. VERIFIED ALLOWABLE LIMITS. ORIGINAL 'T' .063 LOSS .007' REMAINING .056'. OUT OF LIMITS IAW SRM 53-00-01-1A-5. REPAIRED FUSELAGE SKIN AT BS 433 LBL 3 IAW AAR EA 180352 IR AND SWA EA 1-753-32942 REV IR

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