- Difficulty date
- June 11, 2023
- Submitted
- June 29, 2023
- Operation
- Air carrier
- Make and model
- Boeing 7377H4
- Aircraft serial
- 36648
- Aircraft time
- 45,425 hours, 27,767 cycles
- Part
- Stiffener
- Part number
- UNKNOWN
- Condition
- Cracked
- Location
- Zn 100 Fus Lower
- 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
LOWER FUSELAGE CENTER WING STIFFENER CRACKED AT R/H VAPOR BARRIER O/B A/C AIR EXIT EXHAUST DUCT RBL 25 STA 663.75<[01] REMOVED DAMAGE STIFFENER AND INSTALLED NEW STIFFENER ON R/H VAPOR BARRIER STA. 663.75 RBL 25; PER REF. SRM 51-40-02-0G-0 AND DRAWING # 111A1000;[02] VERIFIED STEP # 1