SDR DALA2017041903234

Service difficulty report · Shear Web · Boeing 757232

Difficulty date: April 18, 2017
Submitted: April 19, 2017
Operation: Air carrier
Aircraft: N667DN
Make and model: Boeing 757232
Aircraft serial: 25035
Aircraft time: 83,846 hours, 38,346 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Shear Web
Condition: Corroded
Location: Fuselage
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

PASSENGER CABIN AFT WET AREA FLOOR STA 1681 TO 1720 BL0 TO RBL52 SHEAR WEB CORRODED ON UPPER AROUND FASTENER HOLES SURFACE. BLENDED CORRODED AREAS ON CABIN AFT WET AREA UPPER SHEAR WEB STA 1681-1720 BLO-RBL52. VERIFIED DEEPEST BLENDED AREA TO BE ORG "T " .070 REMAINING "T".054 LOSS OF .017 FOUND TO BE OUT OF LIMITS. REPAIRED BLEND AREA AT STA 1687 BLO-RBL10. TREATED, PRIMED, TOPCOATED, AND CIC BLENDED AREAS IAW SRM 53-60-51 AND SRM 53-60-51 REPAIR 2 ALTERNATE I.