# SDR CALA2026041315318

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 12, 2026
- Submitted: April 13, 2026
- Operation: Air carrier
- Aircraft: [N71411](https://openairdocs.org/aircraft/N71411), registered now
- Make and model: Boeing 737924
- Aircraft serial: 30128
- Aircraft time: 65,726 hours, 27,365 cycles
- System (JASC): [3413 · Rate of Climb Indicator](https://openairdocs.org/jasc/3413)
- Part: Pitot Head
- Condition: Clogged
- Location: Zone 100
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026041315318

## Discrepancy

IAS DISAGREE ON PFD  DURING TAKEOFF AROUND 120 KIAS.  PROBLEM WAS INTERRMITENT IN FLIGHT.   DURING T/S FOUND HEAD OF MUD DAUBER WASP AND REMOVED FROM CAPT'S PITOT PROBE. SEE PIC. BLEW OUT CAPT'S AND F/O'S PITOT LINES FROM ADM'S NO OTHER RESTRICTIONS FOUND. RECONNECTED CAPT'S AND F/O'S PITOT LINES TO ADM'S. PERFORMED CAPT PITOT LEAK CHECK PER AMM TASK 34-11-00-790-810 ALSO PERFORMED F/O'S PITOT LEAK CHECK PER AMM TASK 34-11-00-790-811. LEAK CHECK GOOD. VERIFIED LEAK CHECK AND QUICK DISCONNECTS PER AMM TASK 34-11-00-790-810 AND GMM 09-10-05.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.