Service difficulty report · Web · Boeing 7378H4

Difficulty date
April 7, 2024
Submitted
May 1, 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
Bs 986
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

AFT WET AREA- CORROSION ON FLOOR WEB AT STA 986 +3; LBL +33 MARKED; BLENDED CORROSION PER SRM 51-10-02. REMOVED .030' OF MATERIAL. REMAINING THICKNESS IS .010'. DAMAGE REMOVAL IS OUT OF LIMITS PER SRM 53-70-51-1A-1. BLENDED CORROSION PER SRM 51-10-02. REMOVED .030' OF MATERIAL. REMAINING THICKNESS IS .010'. DAMAGE REMOVAL IS OUT OF LIMITS PER SRM 53-70-51-1A-1.;REMOVED DAMAGED WEB FROM STA. 986.5 TO STA. 1016; LBL 30' TO LBL 46' PER SRM 51-40-02.;[04] LOCATED AND DRILLED NEW SHEAR WEB PER SRM 51-40-05. OK TO INSTALL PER SRM 51-40-02. INSPECTED REMOVAL OF WEB & LOCATION & DRILL OF NEW SHEAR WEB PER SRM 51-40-05. OK TO INSTALL (RII);[06] RII-INSTALLED NEW SHEAR WEB FROM STA. 986.5 TO STA. 1016; LBL 30? TO LBL 46' PER SRM 51-40-02. APPLIED EDGE SEAL AND CAP SEAL PER AMM 51-31-00.

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