Service difficulty report · Angle · Boeing 7377H4

Difficulty date
April 13, 2025
Submitted
April 14, 2025
Operation
Air carrier
Aircraft
N410WN
Make and model
Boeing 7377H4
Aircraft serial
27897
Aircraft time
77,679 hours, 46,103 cycles
Part
Angle
Condition
Corroded
Location
Zone 100
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

FWD CARGO PIT R/H FLOOR TO SIDEWALL ANGLE CORRODED AROUND FASTENER HOLES FROM STATION 500 TO 500A<[01] CORROSION IS OUT OF LIMITS DUE TO PROXIMITY TO A FASTENER HOLE PER SRM 53-30-15-1A-1 FIG. 103 DETAIL D;[02] CORRECTED STATION 500-500A;[03] REMOVED FWD CARGO DOOR SURROUND AFT SHIELD IAW SRM 51-40-02-0G-0. LOCATED AND DRILLED NEW SHIELD IAW SRM 51-40-05-0G-0. APPLIED TOPCOAT IAW AMM 51-21-73.;[04] INSTALLED FWD CARGO DOOR SURROUND AFT SHIELD IAW SRM 51-40-02-0G-0 AND BOEING DWG 143A0080 SHEET 19;[05] CHANGED RII FROM NO TO YES;[06] C/W RII OF INSTALLATION OF NEW SHIELD REF SRM 51-40-02; AN APPLICATION OF TOPCOAT REF AMM 51-21-73

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