Service difficulty report · Web · Boeing 7378H4

Difficulty date
May 4, 2024
Submitted
May 30, 2024
Operation
Air carrier
Aircraft
N8693A
Make and model
Boeing 7378H4
Aircraft serial
36921
Aircraft time
26,036 hours, 12,784 cycles
Part
Web
Part number
UNKNOWN
Condition
Corroded
Location
Bs 767-787 S25r
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 RIGHT INTERCOSTAL WEB AT STRINGER 25R BS 767 TO 787 HAS CORROSION IN AND AROUND NUT PLATE HOLES(MARKED).<[01] 01 - REMOVED AND REPLACED PER [SRM 51-10-02-0G-0-B00070 (GENERAL - INSPECTION AND REMOVAL OF DAMAGE - AIRFRAME - PERMANENT)] REMOVED SURFACE CORROSION ON FASTENER HOLES PER SRM 51-10-02; FOUND TO BE OUT OF ALLOWABLE LIMITS. MATERIAL REMOVED .0085' AND REMAINING THICKNESS .0315'. NEW PART # 146A8127U12 WAS OBTAINED FROM STORES TO BE INSTALLED IAW SRM 51-40-02;[02] REMOVED SURFACE CORROSION ON FASTENER HOLES PER SRM 51-10-02; FOUND TO BE OUT OF ALLOWABLE LIMITS IAW SRM 53-60-15-1A-1 MATERIAL REMOVED .0085' AND REMAINING THICKNESS .0315'. NEW PART # 146A8127U12 WAS OBTAINED FROM STORES TO BE INSTALLED IAW SRM 51-40-02;[03] INSPECTION COMPLETE ON CORRECTIVE ACTION #2 FOR REMOVAL OF DAMAGE AND FINDING IT TO BE OUT OF LIMITS.;[04] CHANGED MEASUREMENT #17 PART NUMBER FROM 146A8127U12 TO 146A8127-12.;[05] INSTALLED SHIELD PART #146A8127-12 ASSY IAW SRM 51-40-02;[06] INSPECTION COMPLETE ON CORRECTIVE ACTION #5 FOR INSTALLATION OF SHIELD ASSEMBLY FWD OF AFT CARGO DOOR.

More about the Boeing 737-8H4