Service difficulty report · Web · Boeing 7378H4

Difficulty date
May 21, 2022
Submitted
June 13, 2022
Operation
Air carrier
Aircraft
N8631A
Make and model
Boeing 7378H4
Aircraft serial
42385
Aircraft time
27,416 hours, 12,550 cycles
Part
Web
Condition
Corroded
Location
Aft Cargo
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

CORROSION ON AFT CARGO DOOR CUTOUT LOWER MAIN SILL THRESHOLD WEB AROUND FASTENER NUTPLATE HOLES. STA 794 TO STA 847; RBL26. / [01] REMOVED CORROSION PER SRM 51-10-02. REMOVED .009 INCH OF MATERIAL AT THE FASTENER HOLE AT STA. 787+18 AND .017 INCH OF MATERIAL AT THE FASTENER HOLE AT STA. 807+10. BOTH LOCATIONS ARE OUT OF LIMITS PER SRM 53-60-15-1A-1.;[02] REMOVED AND REPLACED AFT CARGO DOOR CUTOUT LOWER MAIN SILL THRESHOLD WEB IAW SRM 51-40-02.;[03] VERIFIED C/A # 2 : RICHARD BLACKBURN (TECHNICIAN); 26-MAY-2022 20:13 UTC<BR>REMOVED AND REPLACED AFT CARGO DOOR CUTOUT LOWER MAIN SILL THRESHOLD WEB IAW SRM 51-40-02.

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