Service difficulty report · Web · Boeing 7378H4

Difficulty date
October 23, 2023
Submitted
November 30, 2023
Operation
Air carrier
Aircraft
N8553W
Make and model
Boeing 7378H4
Aircraft serial
63601
Aircraft time
19,705 hours, 9,889 cycles
Part
Web
Part number
UNKNOWN
Condition
Corroded
Location
Zn 100 Fus Lower
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 CARGO R/H TRANSITION WEB AT STA. 847-867 HAS LIGHT SURFACE CORROSION.<[01] BLENDED CORROSION ON R/H TRANSITION ANGLE FROM STA. 847 TO STA. 867 AT RBL 21? PER SRM 51-10-02. REMOVED .012? OF MATERIAL. REMAINING THICKNESS IS .038?. DAMAGE REMOVAL IS OUT OF LIMITS PER SRM 53-00-53-1A-2.;[02] REMOVED TRANSITION ANGLE FROM STA. 847 TO STA. 867 AT RBL 21? PER SRM 51-40-02.;[03] VERIFIED C/A 1 AND 2;[04] LOCATED AND DRILLED NEW SHIELD ASSY IAW SRM 51-40-02.;[05] RII: VERIFIED CORRECTIVE ACTION #4;[06] OK TO INSTALL;[07] INSTALLED NEW SHIELD ASSY IAW SRM 51-40-02.;[08] RII: VERIFIED CORRECTIVE ACTION #7

More about the Boeing 737-8H4