Service difficulty report · Web · Boeing 7378H4

Difficulty date
April 9, 2024
Submitted
May 2, 2024
Operation
Air carrier
Aircraft
N8685B
Make and model
Boeing 7378H4
Aircraft serial
36723
Aircraft time
26,629 hours, 13,050 cycles
Part
Web
Part number
UNKNOWN
Condition
Corroded
Location
Fwd 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

FWD CARGO DOOR LOWER SILL THRESHOLD WEB HAS CORROSION.<[01] REMOVED CORROSION MATERIAL LOSS .005 AND FOUND TO BE OUT OF LIMITS. REMAINING THICKNESS .040. PER SRM 53-00-53. REMOVED FORWARD CARGO THRESHOLD WEB FOR REPLACEMENT PER SRM 51-40-02.;[02] VERIFIED WEB MATERIAL OUT OF LIMITS.;[03] LOCATED AND DRILLED THE NEW REPLACEMENT WEB AND INSTALLED NUT PLATES PER SRM 51-40-02.;[04] OK TO CLOSE/INSTALL THRESHOLD WEB;[05] 01 - REMOVED AND REPLACED PER [SRM 51-40-02-0G-0-B00069 (GENERAL - FASTENER INSTALLATION AND REMOVAL - AIRFRAME - PERMANENT)]<BR>REMOVED AND REPLACED FWD CARGO DOOR LOWER SILL THRESHOLD WEB PER SRM 51-10-02;AND SRM 51-40-02.;[06] RII: INSPECTED WORK PERFORMED. REMOVED AND REPLACED FWD CARGO DOOR LOWER SILL THRESHOLD WEB PER SRM 51-10-02;AND SRM 51-40-02.

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