SDR CALA2026101920463

Service difficulty report · Strap · Boeing 737724

Difficulty date: October 15, 2026
Submitted: October 19, 2026
Operation: Air carrier
Aircraft: N23708
Make and model: Boeing 737724
Aircraft serial: 28769
Aircraft time: 85,743 hours, 31,800 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Strap
Part number: 111A6504
Condition: Cracked
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

RIGHT BS 639 STUB BEAM STRAPS, AFT LOWER HOLE HAD A CRACK SIGNAL. REMOVED RT STUB BEAM STRAPS, FABRICATED, LOCATED, DRILLED, APPLIED PRIMER AND INSTALLED NEW STUB BEAM STRAPS IAW SRM 51-40-02-0G-0, SRM 51-40-05-0G-0, AMM 51-21-72-370-804, AMM 20-50-11-910-801, DWG 111A6504 REV B, DWG 111A6501 REV ORG AND EC/RA 5340-02290 REV. ORG.