Service difficulty report · Attach Angle · Boeing 7378H4

Difficulty date
January 27, 2025
Submitted
February 20, 2025
Operation
Air carrier
Aircraft
N8522P
Make and model
Boeing 7378H4
Aircraft serial
36922
Aircraft time
26,665 hours, 13,384 cycles
Part
Attach Angle
Condition
Corroded
Location
Zone 100
Stage of operation
IN
How discovered
V
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 RH FWD SHIELD BOTTOM ATTACHING ANGLE CORRODED AROUND NUTPLATES STA 767+6' RBL 21 WL 156<[01] REMOVED CORROSION AND VERIFIED WITH 10X ALL REMOVED IAW SRM 51-10-02-0G-0<BR>UT IAW B737 NDT PART 4; 51-00-00 PROC 2. ADJACENT TO BLEND .050'; LOSS .009'; REMAINING .041'. TOOL#40084; DUE 06AUG25<BR>ORIGINAL MATERIAL THICKNESS .050'; REMAINING MATERIAL .041'; .009' LOSS OF MATERIAL; .005' MATERIAL LOSS LIMIT; FOUND TO EXCEED MAXIMUM ALLOWABLE DAMAGE LIMITS IAW SRM 53-60-15-1A-1.<BR>REMOVED; LOCATED; DRILLED AND INSTALLED NEW ANGLE ON AFT CARGO COMPARTMENT RH FWD SHIELD BOTTOM STA 767+6' RBL 21 WL 156 IAW SRM 51-40-05-0G-0 I.A.W. SRM 51-40-02-0G-0 AND DWG 146A8123 REV:-;[02] WORK CARD C/W<BR><BR>AUDIT C/W

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