SDR SWAA2025110420566

Service difficulty report · Support · Boeing 7378H4

Difficulty date: October 2, 2025
Submitted: November 4, 2025
Operation: Air carrier
Aircraft: N8620H
Make and model: Boeing 7378H4
Aircraft serial: 42526
Aircraft time: 39,975 hours, 19,262 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Support
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

CORROSION ON SUPPORT ZEE LOCATED BTW BS 500A TO 500F, RBL 22, WL 208.1 IN THE FWD CARGO BAY. REMOVED DAMAGE AND EVALUATED REWORK AREA ON SUPPORT ZEE LOCATED BTW BS 500A TO 500F, RBL 22, WL 208.1 IAW SRM 53-00-53-1A-2, ALLOWABLE DAMAGE 2, PARAGRAPH 4 A, 2 A, FIGURE 103, DETAIL D.

More about the Boeing 737-8H4