Service difficulty report · Web · Boeing 7378H4

Difficulty date
September 27, 2022
Submitted
October 25, 2022
Operation
Air carrier
Aircraft
N8653A
Make and model
Boeing 7378H4
Aircraft serial
37037
Aircraft time
26,691 hours, 12,366 cycles
Part
Web
Part number
146A8123U25ATSMR
Part serial
BN273833
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 COMPARTMENT WEB PLATE THRESHOLD HAS CORROSION FORM STA 792 THROUGH STA 847 / [01] REMOVED CORROSION PER SRM 51-10-02. BLENDED AREA IS OUT OF LIMITS PER SRM 53-60-15-1A-1.;[02] REMOVED DAMAGED WEB FOR REPLACEMENT PER SRM 51-40-02 .;[03] LOCATED AND DRILLED FASTENER HOLES IAW SRM 51-40-02.<BR>COUNTERSUNK CHERRY FASTENER HOLES IAW SRM 51-40-08.;[04] C/W STEP 3 LOCATED AND DRILLED FASTNER HOLES;[05] INSTALLED NUTPLATES PER SRM 51-40-02;[06] OK TO INSTALL WEB;[07] INSPECTED THE WORK ON C/A #5; INSTALLED THE NUT PLATES PER SRM 51-40-02.;[08] INSPECTED THE C/A #6; OK TO INSTALL THE WEB.;[09] REMOVED AND REPLACED WEB PLATE PER SRM 51-40-02 .

More about the Boeing 737-8H4